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Form: Very small round pellets
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Sodium Hydroxide, commonly known as caustic soda, lye, or sodium hydrate, is a caustic compound which attacks organic matter. (caustic soda is sodium hydroxide, caustic potash is potassium hydroxide and silver nitrate is lunar caustic.) Caustic soda is available commercially in various white solid forms and as a solutions of various concentrations in water. It is very soluble in water, alcohol, and glycerin and absorbs carbon dioxide and moisture from the air.
Sodium hydroxide is prepared by the reaction of sodium carbonate (soda) in concentrated solution form with calcium hydroxide (slaked lime). But the principal method for its manufacture is by the electrolysis of brine. (the two current technologies are the diaphragm and the membrane). The electrolyte is saturated brine (about 25% aqueous sodium chloride). The chloride ion is oxidized at the anode to chlorine gas. chlorine gas is a coproduct. Sodium hydroxide is a strong base and inexpensive which finds many applications in the chemical industry.
Sodium hydroxide provides fuctions of neutralisation of acids, hydrolysis, condensation. saponification and replacement of other groups in organic compounds of hydroxyl ions. The major use of sodium hydroxide is as a chemical and in the manufacture of other chemicals. It is used in textile industry. Sodium hydroxide is used mainly for two processes in textile manufacture. Mercerizing of fibre with sodium and hydroxide solution enables greater tensional strength and consistent lustre. It also removes waxes and oils from fibre to make the fibre more receptive to bleaching and dying.
Sodium hydroxide is also used in the production of viscose rayon. Cellulose is extracted from pulp using sodium hydroxide and subsequently treated with high purity sodium hydroxide to produce soda cellulose. Further chemical treatment results in a rayon fibre. This is a declining market due to the competition from synthetic (ie petrochemical) fibres. It is used in making paper and pulp.Sodium hydroxide aids separation of cellulose fibres from lignin; this breaks down wood into pulp. Sodium hydroxide also helps bleach paper to required whiteness and brightness.
In alumina production industry, a strong alkali solution separates pure alumina from bauxite ore. Alumina is then recovered through precipitation and finally, calcination. Sodium hydroxide is also widely used in in making soaps and detergents, Sodium hydroxide was originally used for soap manufacture, but now has a wider variety of functions. As well as an extractant and refining agent for certain oils, sodium hydroxide is used to produce active agents, or builders in modern synthetic detergents. Sodium Hydroxide is used for sodium hypochlorite which is used as a household bleach and disinfectant and for sodium phenolate used in antiseptics and for the manufacture of Aspirin.
I really like the quality of this product. easy to weigh for precise measurements. no clumping and no discoloration
I like the fine granules (like table salt) so that I know I can measure out a very precise amount into my soap recipes. The 25 pound container is very secure which is great for me. I have a small apartment and a small child. The difficulty in opening the lid has made him uninterested in doing so. That makes storage easy. It's also great for spill prevention. I only worry about spills when I have it open.
Best lye on the web. Cheapest lye on the web. Bad back and I can handle this container without any problem. HINT: lye must be kept dry for optimum performance. Transfer into a working container and seal the original container for refills.
This is a great lye for any at home soap recipe. I highly recommend.
Since it is my first time using this, it would be nice to have some safe usage instructions and load % along with the product description. Maybe a recipe or two for us beginners?
I purchased this for chemistry experiments. the grade is very pure
I made my first batch of soap and used this lye. So far so good, I am clean as a whistle!