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 2 lb Sodium Hydroxide for Biodiesel Soap naoh US $5.95 
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 4 lb Food Grade Sodium Hydroxide Red Hot Devil Lye NaOH Biodiesel Soap Making US $10.99
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 6 lb Food Grade Sodium Hydroxide Red Hot Devil Lye NaOH Biodiesel Soap Making US $16.25
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 WVO Titration Kit for Biodiesel Home Brewing NAOH US $39.95
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Naoh Biodiesel
Titrating Waste Vegetable Oil (WVO) For Biodiesel - Utah Biodiesel Supply
Educating Ourselves With The Significant Properties of Sodium Hydroxide
Sodium hydroxide is probably the most prominent chemical substances, not just in chemistry laboratories but also in the business. It is actually classified as an alkali due to the existence of the OH- ion, making it able to reduce the effects of acids in aqueous solutions. Generally, the substance is in liquefied solutions in varying concentrations but its pure form is actually a white crystalline solid without an smell that is hygroscopic - meaning it sucks up wetness from the surroundings. Hardly does this chemical substance occur in pure form. And what exactly is used in the laboratories and industry is the manufactured chemical which is recognized by several names such as caustic soda or lye.
Being ionic in structure, the alkali is highly disolveable in water, however the dissolution process is heat-evolving or exothermic. A basic tip from chemists ıs always to mix this kind of substance with water simply by pouring it slowly into the water. A highly dangerous mistake is to pour water over bits of caustic soda because this may cause the discharge of large amount of heat which is more than enough to change water into vapor, an instance that disperses deadly vapor and fumes of the harmful hydroxide.
Then again, the chemical is a very sensitive substance which means it is actually capable of vigorously reacting with transition elements such as aluminum. The effect lets out hydrogen gas that is flammable. Hence, these types of incompatible metals may not be used as containment vessels for NaOH.
Nevertheless, the most known feature of lye is its ability to neutralize acids. The reaction can be violent dependent on the concentration of the chemicals. Acid-base chemical reaction is normally an exothermic reaction. Lye likewise responds to any kind of chemical that is acidic in quality such as the acidic oxides. As an example, it reacts with carbon dioxide to create sodium carbonate, which is another industrially important substance. Liquefied solutions of lye quickly take in acidic gases coming from the atmosphere and this kind of capability is being used to be able to cleanse air in some cases.
Surprisingly, the substance is known for its ability to attack glass which may end up frozen upon continuous contact with the alkali.
One more significant chemical feature of the alkali is its ability to interact with fats to create soap. This is called saponification - a reaction concerning a powerful base and oils or fats which yields glycerol and soap being products. The effect results in 2 important substances in the market.
Most products and materials we use nowadays involve the usage of the base. Almost any producer does deliver the substance to companies which manufactures detergent and soap, dye, cleaning agents, hair products, biodiesel, explosives, papers, and food products.
Cautious use the chemical should be followed always. Though it's not combustible, it responds to many substances, oftentimes violently generating more than enough thermal power capable of igniting close by flammable objects. This can happen if water is poured onto bits of caustic soda, for example.
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Frequently Asked Questions...
How to calculate the theoretical yield?
I am trying to calculate the percentage yield of biodiesel obtained in a chemical reaction.
What I know:
vegetable oil + 3 methanol --(NaOH)--> glycerol + 3 biodiesel (in dynamic equilibrium)
Mass of oil: 1013.0g
Mass of Methanol: 200g
Mass of sodium hydroxide: 3.5g
Mass of biodiesel produced: 811.0g (the experimental yield)
Oil: 1.14 moles
methanol: 6.25 moles
2.83 mol excess methanol.
Molar Mass of biodiesel: 296.55
So, I guess what I really want to know is how to calculate the number of mole of biodiesel in order to calculate the theoretical yield. I already have the answers, but I don't understand the process.
Answer:
apply this :http://danielleamorim.tripod.com/
hope it helps.............
