It is present in various lotions, shampoos, hairsprays, manicure products, shaving creams, drain . 2 Plastic or rubber spatulas (I like to use one for my oils and one for my lye water) Thermometer. So here is what we'll need to make our soap paste. sustainable palm oil. Triglycerides from oil or fat react with sodium hydroxide to form glycerol and sodium salts of fatty acids, which latter are the soaps. 3.6 oz. and you should be wearing goggles and gloves). For this recipe using an 8% lye excess I usually meter around 9.5-9.7 PH. Step 3: Cover the glass with double-thick plastic wrap or something similar to keep the scent contained, and set aside for 24 hours to allow all the bubbles to rise and disburse. What the. KOH makes soaps that are readily soluble in water (that is why it is used for liquid soapmaking). Melt the oils together in a large (non-aluminum) heavy bottomed pot over medium heat. Keep distilled white vinegar on hand, this will neutralize chemical burn if lye contacts skin. Triglycerides from oil or fat react with sodium hydroxide to form glycerol and sodium salts of fatty acids, which latter are the soaps. KOH (Potassium Hydroxide) and NaOH (Sodium Hydroxide) are both commercially produced lyes: KOH is potassium-based lye and NaOH is sodium-based lye. Students will record actions, calculations, and observations in a laboratory notebook. This excess lye will be neutralized later. It is also known as potash, lye or even KOH. Potassium Hydroxide is a type of lye specifically used to make liquid soap. Considerable care is taken to remove the excess sodium hydroxide because it is very caustic. Usually there's a slighly higher lye amount used in liquid soaps than bar soaps, in order to make sure that the fats are completely neutralized. Weigh out the water into a large, dishwasher safe jug. Boil 2 cups (470 mL) of water for every bar of soap on the stove. The latter produces liquid soap. When you make liquid soap you use a different type of Lye called Potassium Hydroxide (KOH). Therefore, potassium soaps are used to make liquid soap and shaving cream. Some soap makers use two alkalis -- sodium hydroxide (NaOH) and potassium hydroxide (KOH) -- to make some types of soap. Cover and keep on high for the first 30-60 minutes, then turn to low. KOH (potassium-based lye) is what is generally used for making liquid soap, and NaOH is what is generally used for making hard/bar-type soap. As a basis for shampooing - mix with a 100% liquid soap of another oil and/or add essential oils of your choice (ylang ylang, romarin) and/or dilute your soap paste in herbal infusion instead of distilled water. This reaction may or may not instantly happen, and may cause you considerable stress getting it to happen. KOH (Potassium Hydroxide-you can make it from clean ashes! It has many industrial and niche applications, most of which exploit its caustic nature and its reactivity toward acids. Do not forget that you need more KOH than NaOH to saponify the same recipe, so use this formula: amount of KOH needed = 0.713 / amount of NaOH you substitute for (e.g. Put the sauce pan on the stove over medium to high temperature. KOH is used for soap making, especially liquid soaps, as it needs lesser water to become liquid (the soap contains higher amount of cleaning agent than the soap made with other substances). Sodium hydroxide is used to makes bar soap. if you need 100g of NaOH for your recipe, you take out 5g . The consequences of adding extra acid to liquid (KOH) soap are even more obvious and dramatic, because liquid soap cannot hide a high superfat like solid bar soap can. Synergetic ingredients: Works well with most ingredients. Potassium hydroxide makes liquid soap, which is flowing, clear, or translucent. Re-melt the oils if needed and begin slowly whisking the soap water into the oils, taking care not to suds it up. Turn the slow cooker on to high heat and melt the coconut oil. It is mainly used to produce soft and liquid soaps. I then left it overnight to finish gelling and when tested was neutral-no zap. Scrape the soap paste into the boiling glycerin/water mixture, stir a bit so the paste is covered by liquid as much as possible, then cover the pan and turn off the heat, leaving the pan on the still-hot burner. of KOH. Soaps are sodium or potassium salts of long chain fatty acids. Here's how -. Press J to jump to the feed. Blend for about 5 minutes, then walk away. Why does Koh make liquid soap? 3. Stick Blender. Some carrier oils do better in liquid soap and some are best if left out or used in smaller quantities. While you are melting your coconut oil, you can mix glycerine and water in a separate cup. Along with sodium hydroxide (NaOH), KOH is a prototypical strong base. (400 mL) of distilled water and 3.5 oz. Heat coconut oil inside the cup. Set aside. This recipe gives a richly emollient soap. I brought it to trace, then cooked and stirred for about an hour. Dual-lye recipes are much less common for bar soap, but they do exist. Make sure you are as accurate as possible. Potassium hydroxide (KOH) - KOH is the caustic substance used to turn skin-loving oils and butters into soap. Always have proper ventilation to expell fumes. they are pretty reasonable there. Soft Soap: Soft soap is made using potassium hydroxide (KOH) rather than sodium hydroxide. Melt the coconut oil along with the other oils in a large crock pot. The initial water for the paste 2. I have wanted to make liquid soap for quite a while but was afraid of online . Norman McFarling When triglycerides in fat/oil react with aqueous NaOH or KOH, they are converted into soap and glycerol. Combine by hand to blend the solutions, then start using the stick blender (immersion blender). Use like normal soap. Take coconut oil in a pot and slowly melt the oil. NaOH vs. KOH Soap is made by a chemical process, called saponification, that converts oil and lye into soap and glycerin. Using a measuring cup, add the appropriate amount of water for the number of soap bars you're melting into liquid. The primary difference between liquid soap and bar soaps is that potassium hydroxide (KOH) is used in place of sodium hydroxide (NaOH) for the lye solution. Combining a potassium hydroxide solution with various carrier oils and cosmetic butters makes liquid soap. Soaps with less diluting water are thicker. Olive Oil - 350 g Safflower Oil - 170 g biodiesel made with KOH, can be turned into a liquid soap with a multitude of uses from hand soap to glass cleaner. 5% should be enough. This is the chemical that induces saponification of the fats and oils to create liquid soap. Ingredients: * 47 oz organic olive oil (technically castile soap is only made from olive oil but, feel free to try something completely different) * 32.9 distilled water. Simple right? (100g) of table salt in a microwaveable bowl or measuring cup. What You'll Need Equipment / Tools The cheaper liquid soaps contain more water. 1 ounce lanolin. Potassium hydroxide flakes intrinsically contain water and other impurities, around 10 percent, which means the lye excess in clear liquid soap recipes is not as high as it initially appears. When the KOH is dissolved into your milk, very slowly and carefully combine your oils and your milk. ), coconut oil and the potato water! Both are considered lye, but the potassium hydroxide is not strong enough to make a solid soap. * 9.39 oz KOH (potassium hydroxide) (where we get ours) * (Later at dilution) 80 oz of distilled water. Allow 15 minutes for the mixture to cool before adding a few drops of your chosen essential oils. While your oils are melting, mix 4.6 oz. The most expensive part of this recipe is the fragrance oil and the packaging. Most early soaps were made using potassium hydroxide obtained from wood ash and animal fats. How many Liters does 3.2kg of KOH (Potassium Hydroxide) take up when mixed with oil and water to make liquid soap? Open the flip cap on the bottle. I see a few answers about using thickening agents to make soaps thicker. With liquid soaps, the chemical reaction takes place with potassium hydroxide, which is a specific type of lye for liquid soap. This is the chemical that induces saponification of the fats and oils to create liquid soap. It is easy to mistake the two. Finally, too much liquid within the formulation will also lead to a cloudy and milky consistency. Carefully pre-measure the ingredients. All skin types except those that have an identified allergy to it. Agitation and warmth are key to making it start. The water layer is drawn off the top of the mixture and the glycerol is recovered using vacuum distillation . Loyola University of Chicago: Biodiesel Labs 54 Who is it for? Weigh out the KOH carefully into a small container and add it to the water, swirling it gently to dissolve the flakes. The water needed for dilution (we'll discuss later) To find the water needed for the paste multiply the KOH amount by three. coconut oil. However, if liquid or gel soap is what you're after, then KOH-based glycerin is much easier to use. Simply so, how do you make liquid soap with caustic soda? Liquid soap is usually formulated with extra lye to ensure that the oils are properly saponified, so make certain you don't skip a step in order to neutralize the excess lye. You will want to keep your PPE on while working directly with lye and raw soap batter. And next time a customer asks if you make Liquid Soap, you can say YES I DO! Method 2Melting Castile Soap Bars into Liquid Download Article. Potassium Hydroxide- $0.37 per oz (2 lb size) Distilled Water- $0.93 per lb (gallon size) Fragrance Oil- 1.57 per oz (1 lb size) Eight Ounce Bottles with Pump- $0.63 per bottle (50 bottle price break) Recipe Grand Total: $52.27 (that's just $1.24 per bottle of soap). I make mine in a crock pot and once it is finished it is a hard paste that you then dilute with water to make a liquid. Even though making liquid soap is different than making bar soap, it's still vitally important that you use the correct amount of lye in your recipe. Liquid soap gets milky and cloudy when the lye amount is incorrect. Not only is it said to move the process along more quickly, making the process quicker and easier, it also has other advantages. It is also known as potash, lye or even KOH. Mix it and repeat this process for couple of times. 1. SOAP. These values are based on the use of refined solid coconut oil (either 76 or 92 degrees): Lauric Acid (hardness, cleansing, bubbly lather) 44-52%. This book does a wonderful job of explaining why the chemical process for KOH soap making is different; she makes sure to emphasize that a 'neutral' or balanced soap is not pH neutral 7, but merely a completed chemical reaction with no leftover lye or excess fat. Another cause is the oil and water layers getting separated, which happens due to too much oil. . Always add your lye to your water, and never the other way around. You'll have two phases of water for your liquid soap. Make sure you are working in a well-ventilated area and wearing your protective clothing (apron, gloves, and glasses). Then gently pull on the clear tubing to uncoil the clear tubing to be 3 feet long. Effects On Methanol At Ambient Temperatures: Why does Koh make liquid soap? Step 3: Cover the glass with double-thick plastic wrap or something similar to keep the scent contained, and set aside for 24 hours to allow all the bubbles to rise and disburse. In the case of bar soap, the lye used is sodium hydroxide (NaOH). Easy Bubble Bath 24 Hrs. This is the chemical that induces saponification of the fats and oils to create liquid soap. Saponification of an unsaturated oil, such as olive oil, gives a soft soap. Why is sodium hydroxide used in soap? How Soap Is Made Soap is technically a salt product that is made by combining an alkali with fats or fatty acids. Step 4 - Fragrance and Thicken the Soap. Soap pastes made with glycerin tend to be easier to dilute in water. In addition to being softer, this type of soap has a lower melting point. This works as good as Dawn ever has and has no toxic chemicals. Perfect consistency. The word means any liquid alkali solution that can be used to make soap, so it can be used for any KOH or NaOH solution. 105 grams Coconut Oil, 645 grams Olive Oil. There are some other differences between the two processes, which I will cover further down. 1.2 oz. Keeping the heat on low, cover the slow cooker with its lid and check every 30 minutes, stirring with a heatproof spoon or spatula. The alkali is the lye. 4 ounces olive oil. Place 750g of Distilled water into a sturdy, plastic container. Lye/Water. Microwave on high for about 2 minutes, stirring after 1 minute or until dissolved. This is called alkaline hydrolysis of esters. When it's liquid, continue to the next step but keep the heat on. As a natural detergent for dish washing - I . Start by shredding a bar of natural soap into a pan and adding 4 cups of water to create natural liquid soap. Combine the glycerin and distilled water in a deep stainless steel saucepan and bring to a boil. I make a 33% solution of borax/water and add 3/4 oz per pound of paste to my diluted soap. Adding water to lye can cause a volcano-like reaction. I label the handles with "Soap Only" with a sharpie. The former produces solid bar soap. Firmly press the white, hose tip into the opening on the cap until it clicks into place.

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