Lye ph. Before we dive into that however, both processes used .
Lye ph Generally, lye is used to reduce the acidic forms in the garden soil to increase harvesting. Discover its uses in soap making, detergent manufacturing, and more. It is also known as caustic soda, Iye, sodium hydrate or soda lye. As a strong base, sodium can have a significant impact on the pH levels of solutions. Dilute Sodium Hydroxide (NaOH) was used as the neutralizing agent. Apr 16, 2025 · Lye has a pH of around 13 or 14 because it is a strong base that completely dissociates in water, resulting in a high concentration of hydroxide ions. There are two common issues people run into when making soap: not enough lye or too much lye used. Measurements of pH have important applications in science, especially in medicine and agriculture. Gardeners mistakenly use lye without knowing what lye is used for in gardening, causing harm to the plants. Explain the pH scale, and convert pH and concentration of hydronium ions. Recipe for an easy homemade version is included. The pH is a very important factor, because certain chemical processes can only take place when water has a certain pH. Sodium hydroxide is made by the electrolysis (passing an electric current through a solution) of solutions of sodium chloride (table salt) to produce sodium hydroxide and chlorine gas. Not enough lye can result in oils going rancid, causing discoloration and bad odors. It is used to make soap and as a main ingredient in household products such as liquid drain cleaners. In order to figure this out, I need to know the pH of my lye solution, which seems like a pretty involved calculation. 5 Amonia solution: pH 10. True lye-based soap has a natural pH ranging from 9. Sodium hydroxide, also known as lye and caustic soda, [1][2] is an inorganic compound with the formula NaOH. Both caustic soda and lye are strong alkaline substances that can cause severe burns and are commonly used in various industrial processes. When sodium hydroxide (lye) is mixed with water and then combined with oils, the molecules rearrange to form both soap and We would like to show you a description here but the site won’t allow us. Learn about the saponification process, safety practices, troubleshooting common production issues, and the effects of different fatty acid sources. As a strong base, sodium hydroxide is essential for understanding acid-base strength and the calculations associated with pH What is Sodium Hydroxide? Sodium Hydroxide is a solid ionic compound. Laundry soap is a combination of shredded soap and ingredients like baking soda and washing soda. When the solid is in contact with water, it may generate sufficient heat to ignite combustible Jan 30, 2023 · The pH is the negative logarithm of the molarity of Hydronium concentration, while the pOH is the negative logarithm of the molarity of hydroxide concetration. Sep 2, 2022 · Sodium and hydrogen are the base forms of lye. Synonyms include caustic soda, lye, soda lye, and sodium hydrate. 5, lye produces liquefaction necrosis, an injury that involves both cellular and junctional barriers, and which markedly increases epithelial permeability to ions and un … Jan 17, 2021 · pH of Common Acids and Bases Calculated pH values of common acids and bases for 1, 10, and 100 mmol/L (valid for standard conditions at 25, 1 atm; acidity constants are taken from here): Nov 23, 2023 · What Is Lye? Lye, also known as sodium hydroxide, is a strong and highly caustic chemical compound with the chemical formula NaOH. 3–6. This article will delve deep into the pH of sodium hydroxide, exploring its properties, how its pH is determined, its implications in This tool calculates solution pH values based on the Brönsted and Lowry acid-base concept. A brief glance at the curve indicates that the process of pH neutralization or pH adjustment is not particularly easy. If the soap is slightly lye heavy (11-12 pH), it makes great laundry soap. The substance in question is a solid ionic compound characterized by its white color. pH of Potassium HydroxidepH of Potassium Hydroxide Chemical formula: KOH Also known as: Caustic potash, Lye, Potash lye, Potassia, Potassium hydrate Oct 4, 2023 · How to Prepare 1N NaOH Solution? Sodium hydroxide, often known as lye and caustic soda, is an inorganic substance with the chemical formula NaOH. Before incorporating lye into your yard maintenance routine, be sure to seek The pH of sodium hydroxide lye is around 14, which puts it at the top of the pH scale. A pH testing strip will tell you that NaOH (sodium hydroxide) is a strong alkaline, but to calculate its exact pH, you have to Mar 29, 2025 · Lye is an alkaline solution that’s often used for washing, making soaps, and curing certain foods. 5–11. It is a strong base that can cause severe burns and irritation if it comes into contact with skin or eyes. Both excess lye and lye deficiency can be easily fixed. Soap can range from a pH of 7 to 10 with most soap being 9 to 10. The lower the number, down to zero, the more acidic the water, and the higher the number, up to 14, the more basic the water. [1][2] Lyes are used as cleaning products, as ingredients in soapmaking, and in various other contexts. These online calculators calculate the pH of a solution. Sodium hydroxide is a white, noncombustible solid that absorbs moisture from the air. Amazon. It is potassium hydroxide, sometimes called caustic soda, and has a pH of about 13. Jul 18, 2022 · Sodium hydroxide pH calculation Sodium hydroxide is a strongly alkaline substance. 0. Nov 11, 2024 · Lye, chemically known as sodium hydroxide (NaOH) or potassium hydroxide (KOH), is a strong alkaline compound with a high pH of around 14. Jul 2, 2021 · A comprehensive guide to lye water (Kansui), a food-grade alkaline solution used in many dishes. 5 Baking soda: pH 9. Persons whose clothing or skin is contaminated with solid sodium hydroxide or its solutions can secondarily contaminate rescuers by direct contact. Feb 17, 2022 · Wondering what lye is and what it’s used for? Continue reading Edens Garden which has all the information you will need about lye. Aug 17, 2023 · Lime, also known as calcium carbonate, is a naturally occurring substance predominantly used in construction and agriculture. Lye is a strong base with a high pH level, which can cause severe burns upon contact with skin or eyes. You can make your own potassium hydroxide lye by soaking wood ash in rain water, and this type of Sep 30, 2020 · The pH scale shows how acidic or alkaline (basic) a chemical is in water. Handling Caustic soda (sodium hydroxide or NaOH) is most commonly manufactured by the electrolysis of a sodium chloride (NaCl) solution. Due to its corrosive nature, it’s essential to test lye to ensure its quality and safety for use. Its ability to completely dissociate in water makes it a strong base, significantly affecting pH levels in solutions. Known for its highly alkaline nature, sodium hydroxide, commonly called lye or caustic soda, is widely used in many industrial processes. Sep 5, 2024 · Discover the fascinating chemistry behind your soap with our in-depth guide. Jun 3, 2025 · Understanding Lye and Saponification Lye, chemically known as sodium hydroxide (NaOH) for solid bar soap and potassium hydroxide (KOH) for liquid soap, is the essential catalyst in the soapmaking process. There are two calculators – one for either strong acid or strong base, and another for either weak acid or weak base. Nov 14, 2016 · The ph level of your soap should fall in the normal range of between 7 and 10. pH is a measure of the hydrogen ion (H+) activity in a solution and, therefore, its acidity or alkalinity. Aug 5, 2021 · Lye water can also neutralize acid content in food, as well as give a bit of an alklaline flavor to your dish. Jan 29, 2021 · Drain Cleaner? Lye? pH of > 11? ⇒ Plan A Household bleach? pH <11 ⇒ Plan B; go to plan A if fails Unknown exposure, no symptoms? ⇒ Plan B; go to plan A if fails Special Shout-Outs to: Laundry Detergent Pods — although they have a pH of 9-11, the additive propylene glycol can cause CNS depression, seizures, further aspiration. In conclusion, the application of lye in your yard can have a transformative impact on the health and vitality of your soil. It facilitates saponification, the chemical reaction where fats and oils react with the lye to form soap and glycerin. The empirical formula for lye is NaOH. Lye What's the Difference? Caustic soda and lye are two terms often used interchangeably to refer to sodium hydroxide, a highly caustic and corrosive compound. Apr 3, 2025 · Understanding Lye and Its Hazards Before exploring the methods of neutralizing lye, it is crucial to understand its properties and the hazards it poses. Oct 31, 2024 · Yes, sodium hydroxide, also known as lye or caustic soda, has a pH level close to 14, making it a strong base. Whether you pH Calculator This tool calculates the pH of either an acid or base solution when given a certain set of parameters. Other common names include pH of Sodium HydroxidepH of Sodium Hydroxide Chemical formula: NaOH Also known as: Caustic soda, Lye, Ascarite, White caustic, Sodium hydrate Aug 17, 2024 · Learn about the physical and chemical properties of sodium hydroxide, including its pH level, solubility, and reactivity. Sodium hydroxide, also known as lye or caustic soda, is a white solid compound that is used for its basic or alkaline properties, think opposite of acidic. May 18, 2016 · If the soap is slightly lye heavy (11-12 pH), it makes great laundry soap. Lye has a ph of 14 and water has a ph of 7, if your soap is above 10 that would indicate that free lye is in your soap. C L O S E Free versatile lye calculator for home soap making Feb 26, 2022 · You can make natural lye for soap making by combining hardwood ashes and water in a wooden barrel. 2 Its base of sodium hydroxide is created commercially by the electrolysis of sodium chloride solution, as well as reacting calcium hydroxide with sodium carbonate, according to the FDA. Jun 24, 2025 · To test soap for lye safety, you can use pH strips (aim for 8-10), phenolphthalein solution, the tongue zap test, visual inspection for lye pockets, water dissolution test, and olive oil application. Another important role of this ingredient is curing food like pretzels, bagels and olives. However, increased cost and consumer concerns over dipping tomatoes in chemicals have made it a less common practice. The pH is a measure of how many hydrogen ions are in the water. This idea that you can adjust the pH of true lye-based soap so it has a "neutral" pH (pH = 7) or acidic pH (pH below 7) is a myth. May 19, 2025 · Trying to PH balance soap can be a tricky business, but if you have the right tools and knowledge at your disposal you shouldn’t have too much trouble checking the ph of soap. Sep 28, 2024 · Sodium hydroxide pH is a crucial factor to understand when working with chemical solutions. Here's a table of the pH of several common chemicals, like vinegar, lemon juice, pickles and more. For instance, chlorine reactions only take place when the pH has a value of between 6,5 and 8. What is the purpose of using distilled water for soap pH testing? Sep 13, 2024 · While the zap test is useful, pH testing gives you a more scientific understanding of your soap’s acidity or alkalinity. This high concentration of hydroxide ions corresponds to a high pH value on the pH scale. It is generally used as a solid or a 50% solution. Always wear protective gear when handling fresh Jan 4, 2021 · Lye: pH 13. Titration Curve The curve above is the actual titration results of the pH Adjustment of an acid (HCl) with a beginning pH of 2. When too much lye is used in the soap, the pH level will rise from the normal level of 9-10, and can become closer to 11-14. Caustic Soda vs. Feb 22, 2025 · Lye, also known as sodium hydroxide (NaOH), is a highly caustic substance commonly used in various industries, including soap making, paper production, and textile manufacturing. Properties and Characteristics It is a strong base with a high pH, typically ranging from 13 to 14. Lye is the common name of various alkaline solutions, including soda lye (a solution of sodium hydroxide) and potash lye (a solution of potassium hydroxide). Oct 4, 2020 · Why do you dip pretzels in high pH, corrosive lye before baking them? What is the Maillard reaction and can we hack it? Sodium hydroxide (NaOH) is a strong alkaline compound commonly known as lye or caustic soda, and it plays a crucial role in various chemical processes. At pHs >or=11. Apr 5, 2025 · Lye, or sodium hydroxide, is a highly caustic alkaline substance that can cause severe chemical burns upon contact with skin, eyes, or internal organs. Aug 22, 2024 · Caustic soda, also known as lye, is a chemical used in cleaning products, soap-making, and unclogging drains, but you have to handle it carefully. This produces potassium hydroxide (KOH) lye which makes soft or liquid soaps. Its pH is calculated as follows: P [OH]=-logC [OH] PH=14-logC [OH] Uses Sodium hydroxide is useful for its ability to alter fats. Aug 15, 2024 · What is pH? Here's the definition of pH in chemistry, with examples of acidic and alkaline values of common household products and lab chemicals. The pH scale measures how acidic or basic a substance is, ranging from 0 to 14. Sodium hydroxide is produced as a co-product in the production of chlorine. May 6, 2019 · pH is a measure of the acidity of a substance. Users can select to input either the compound's concentration, or the mass of the solid and the total volume of the solution. This compound contains a high range of pH levels that can neutralize the acid. 4. At room temperature, sodium hydroxide is a white crystalline odorless solid that absorbs moisture from the air. We would like to show you a description here but the site won’t allow us. To calculate the pH of a solution of a strong base we need to know: Sodium Hydroxide (NaOH) is a strong alkaline substance commonly used in industries as a cleaning agent and in the production of soaps, detergents, and paper. Glycerin is a natural humectant, attracting moisture to the skin, making Jan 18, 2017 · You've researched the safety of lye, tackled the task of using a soap calculator and made what appears to be a successful batch of CP soapbut is it successful? Testing the soap's pH is a critical part of soap making to ensure your soap is safe and within an acceptable pH range. Learn about safety precautions when handling lye. May 20, 2024 · The pH level of lye, or sodium hydroxide, is typically around 14, which is highly alkaline. Sodium Hydroxide Explore the properties, production, applications, and safety measures of Sodium Hydroxide, a widely used industrial chemical. The most common is sodium hydroxide, NaOH, but lye can also refer to potassium hydroxide, KOH. If you remember your high school chemistry days, pH exists on a scale from 0 to 14. Is lye a mineral? A lye is a metal hydroxide traditionally obtained by leaching wood ashes, or a strong pH of soap is an important characteristic, but does it have a direct relationship to how harsh or mild a product is? Read the article to find out. The pH a particular soap will have depends on the fatty acids used to make the soap. The pH level in the soap will rise from 9-10 when too muchlye is used, and it can reach 11-14. They are both metal hydroxides and basic alkaline, so they have a very high pH. OxyChem manufactures caustic soda using either membrane or diaphragm electrolytic cells. May 20, 2024 · Adding caustic soda (sodium hydroxide) to water raises the pH because it is a strong base that increases the concentration of hydroxide ions in the solution, making it more alkaline. Whether you’re looking to adjust soil pH, control weeds, or enhance nutrient uptake in plants, lye can be a versatile and cost-effective solution for homeowners seeking to improve their yard. It is a corrosive, caustic material that can dissolve organic matter and is used in various industrial and household applications. In this article, we’ll delve into the importance of testing lye, the different methods of testing, and the What Exactly is Lye? Lye is a strong alkaline compound known scientifically as sodium hydroxide (NaOH). pH values for bases like sodium hydroxide, ammonia and more. Amount of solution required to raise alkalinity by 1 dKH: Is there a difference between lye and baking soda? With a pH reading of around 13 to 14, lye is a stronger alkaline than baking soda or sodium bicarbonate. Understanding its pH is crucial in various applications, from industrial processes to everyday household uses. If the lye liquid is not alkaline enough, tip it back into the barrel and let it filter through the ash again. Sep 7, 2024 · Sodium Hydroxide pH: Understanding the Basics Sodium hydroxide pH is one of the key factors to consider when working with this chemical compound, commonly known as lye or caustic soda. This tool: Strictly defines pH: pH = -log a [H+], where a [H+] is the activity of hydrogen ions (more accurately, hydrated protons H3O+ or hydrogen ions) Considers ionic strength effects: Uses the Davies equation to calculate activity coefficients, suitable for solutions with ionic strength I below Feb 7, 2025 · High pH can be caused by discharges from industries that use lime, lye or sodium hydroxide (NaOH); from agricultural runoff of fertilizers high in lime; or from industrial landfill leachates that contain solvents or lye. A pH lower than 7 is acidic, while a pH higher than 7 is alkaline. 0 and an ending pH of 11. Using pH test strips or phenolphthalein can provide insight into the soap’s readiness, regardless of appearance or “suspected” lye heaviness. 1 Lye is a stronger alkaline than baking soda or sodium bicarbonate, with a pH reading ranging from around 13 to 14. The pKw is the negative logarithm of … Sodium hydroxide is one of the strongest bases commonly used in industry. It is a white, solid Testing the pH of homemade soap is an important part of the process in determining if the key ingredient, lye, is no longer caustic and safe to touch. Lye (NaOH) injury to the esophageal epithelium is both pH- and time-dependent, but requires a minimum pH of 11. See a chart of the pH of common chemicals and learn what pH means. Soaps greater than 10 are considered lye-heavy Lye is a stronger alkaline than baking soda or sodium bicarbonate, with a pH reading ranging from around 13 to 14. Free lye is caustic and can cause burns, so it is very important to make sure your soap has been made well and is free of any lye. It’s used in many industries, but in soap making, it plays a vital role in a chemical reaction called saponification —the process that turns oils and fats into soap. Apr 23, 2017 · 6 I'm trying to figure out if I can substitute the catholyte from a salt water electrolysis system for a lye solution in pretzel making. Curious about how to pH test handmade soap properly, regardless of whether it's bar soap or liquid soap? Here's the lowdown on pH testing soap, and why you should (or shouldn't!) care. Jan 27, 2011 · Sodium hydroxide's main effect is to raise the pH of pool water in pools with chemical feed pumps. Before we dive into that however, both processes used Jun 19, 2020 · Learning Objectives Give the names and formulas of some strong acids and bases. [1] Lye is sometimes called caustic soda because it has a pH of about 13, which means it’s extremely alkaline and can burn and corrode skin, organic tissue, certain plastics, and other materials. 5 to 11. When making soap, it reacts with fats and oils in a process called saponification. Lye is manufactured through electrolysis, in which a solution of sodium chloride and water is subjected to an electric current, forming Nov 6, 2020 · Is lye a common base? Lye is a highly alkaline chemical solution. Human blood is slightly basic, with a pH of 7. Inhaling lye fumes can lead to respiratory issues, and ingestion can result in internal burns and damage to the digestive system. Soaps greater than 10 are considered lye-heavy May 27, 2025 · What's the pH of Sodium Hydroxide? A Deep Dive into Alkalinity Sodium hydroxide (NaOH), also known as lye or caustic soda, is a strong alkali. Nov 7, 2025 · The pH scale is a measurement system that ranges from 0 to 14 and indicates the acidity or alkalinity (basicity) of a solution. When dissolved in water or neutralized with acid it liberates substantial heat, which may be sufficient to ignite combustible materials. Solutions of sodium hydroxide in water are at the upper limit (most basic) of the pH scale. It is a manufactured substance. According to the FDA (Food and Drug Administration), Sodium Hydroxide can be used in food processing plants as a pH control agent. Mar 20, 2024 · Lye is a strong alkaline product that is used to make soaps and cleaning products and in the chemical industry. In mathematical terms, pH is the negative logarithm of the molar concentration of hydrogen ions in the solution. Lye flakes are most commonly used to make handmade soaps. It is a white solid ionic compound consisting of sodium cations Na+ and hydroxide anions OH−. Sodium hydroxide is very corrosive. What is Sodium Hydroxide Nov 9, 2023 · Discover the alkalinity and pH level of lye, its characteristics as a base and an alkali, its reactions with acids, and its common uses. As an alkali, lye solution is highly basic. You'll also benefit from paper tests with litmus paper, monitoring curing time pH changes, lather quality assessment, and digital pH meter readings. Jul 14, 2023 · An inorganic compound with the chemical formula NaOH is sodium hydroxide, also known as lye and caustic soda. Understanding its pH properties is essential in a variety of industrial and chemical processes. 4 Distilled water: pH 6. In its pure form, it is crystalline solid, and colourless in nature. 5 Bar hand soaps: pH 8–10, on average Blood: pH 7. The chemistry doesn't work that way. 2 Its base of sodium hydroxide is created commercially You've researched the safety of lye, tackled the task of using a soap calculator and made what appears to be a successful batch of CP soapbut is it successful? Testing the soap's pH is a critical part of soap making to ensure your soap is safe and within an acceptable pH range. Is Lye acidic or basic, one might wonder later. It’s also known as caustic soda or lye. Dec 17, 2022 · The concentration of hydroxide ions in a sodium hydroxide solution is thus approximately the same as the concentration of sodium hydroxide. This article explains why sodium hydroxide is classified as such a strong alkaline substance and discusses its properties, common uses, and safety measures. Feb 8, 2015 · Sodium hydroxide lye has a pH of about 14, putting it at the very top of the pH scale. Eggs and baking soda have a pH between 8 and 9; soap measures about 12, and lye has a pH greater than 13. It is highly Nov 13, 2024 · Lye is an alkaline solution that is used to make soaps, as a cleaning product, and sometimes as a solution to cure foods. Collect a small amount of water, and test the pH using the testing strips. It is a white crystalline substance that is soluble in water and has a pH value of 14, making it extremely basic and reactive. While you can expect the same increase in pH with each incremental lift in dKH for both solutions, it takes far less Sodium Hydroxide (Lye) solution to make the change. 9 (While most people would assume that distilled water should be pH neutral, when exposed to air, carbon dioxide reacts to form a diluted solution of carbonic acid)² Milk, urine and saliva: pH 6. Method 2 (the easy method): Equipment: Pot or pan, large spoon or ladle, pH testing strips. That's a combination of shredded soap and ingredients like baking soda and washing soda, which cleans and deodorizes dirty clothes. While sodium hydroxide lye is industrially Discover the advantages of sodium hydroxide solution for pH adjustment, a versatile compound vital for industrial processes, cleaning solutions, and food processing applications. According to the FDA, sodium hydroxide’s base is created commercially by electrolysis of sodium chloride solution and reacting calcium hydroxide with sodium carbonate. In its raw form, lye is extremely caustic, which means it can cause irritation or burns if it comes into contact with the skin. Jan 28, 2022 · The interesting fact is how concentrated the Sodium Hydroxide solution is compared to Calcium Hydroxide (Kalkwasser). . Sodium hydroxide is a highly corrosive base and alkali that decomposes lipids and proteins at ambient temperatures, and may cause severe chemical burns at high concentrations. Lye was also an industry standard for peeling tomatoes. The presence of hydrochloric acid helps keep stomach pH normally near zero. Mar 3, 2025 · The pH scale, which ranges from 0 to 14, tells you how acidic or alkaline a solution is. If you want to make a hard bar of soap, you’ll need to use sodium hydroxide (NaOH) which is commercially produced. Explore the essential role of sodium hydroxide in soap-making, including its impact on soap hardness, transparency, fragrance stability, and color retention. Evaluate solution pH and pOH of strong acids or bases. Aug 29, 2024 · What Is Lye? Definition Lye is a highly alkaline substance, typically referring to sodium hydroxide (NaOH) or potassium hydroxide (KOH). 5. When the pH is 13, you can use it to make shampoo bars or homemade soap. The pH calculator can determine the pH from H⁺ molar concentration, or Ka, and the concentration of a solution. May 8, 2025 · 📋 What You'll Learn This guide will walk you through safeguarding your operations: a comprehensive guide to neutralizing spent sodium hydroxide baths with detailed instructions. Apr 8, 2024 · Alkaline substances have a pH above 7 and are basic, neutralizing acids, whereas lye specifically refers to strong alkaline solutions used in cleaning and making soap. 6 Commercial liquid hand soaps: pH 5–7, on average Dec 24, 2024 · For the most up-to-date version of CFR Title 21, go to the Electronic Code of Federal Regulations (eCFR). Jul 11, 2023 · Lye heavy soap can have a pH range of 11-14, indicating an excess of alkali and potential skin irritation. The use of lye in homemade soap is widely misunderstood. May 20, 2024 · Lye is a very strong base with a pH of 13. The Sodium Hydroxide, Technical Grade, 50% at Lab Alley can also be used in educational labs for everyday laboratory studies. Too much lye will result in a bar whose pH is too high and can cause skin irritation and burning. On the other hand, lye is a caustic alkaline substance, formally known as sodium hydroxide, widely used in soap-making, food preparation, and various industrial processes. com: Sodium hydroxideSodium Hydroxide (16 Ounce / 453 Grams) Sodium Hydroxide (Lye, Caustic Soda) Food and USP Grade for Soaps and Detergents, Water Treatment, Cleaners for Food Prep by Talsen Chemicals Nov 8, 2022 · Lye is a general term for two different alkaline compounds known as Sodium Hydroxide (NaOH) and Potassium Hydroxide (KOH). It is also known as lye or caustic soda. Introduction to Sodium Hydroxide Sodium hydroxide, also widely recognized as caustic soda or lye, is an inorganic chemical compound with the formula NaOH. What Is Sodium Hydroxide? Sodium hydroxide is a highly alkaline ingredient that is used in small amounts in cosmetics and skincare products to establish and hold the pH of a product. 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