Lard and caustic soda homemade soap method: 20 grams of fat, 7 grams of sodium hydroxide and 50 act completely litres of water in a beaker, use alcohol lamp to heat. Heat, stirring, repeatedly the lard and sodium hydroxide reaction. Because of the slow...
Soap can decontamination, because it has special molecular structure, molecular hydrophilic at one end, and at the other end are with grease, on the water and the oil interface, soap oil emulsification, let the fat soluble in soap and water;In the water...
This is because the soap water can form a layer of soap film, soap membrane is not easily broken.When you blow, soap film will swell up bit by bit, into a soap bubble, just like blowing balloons.If you want to blow out a lot of soap bubbles, you can put...
Main ingredients are sodium stearate, its molecular formula is C17H35COONa (carbon 17 h + 35 c + + + oxygen sodium) (also can be written as RCOONa, by sodium hydroxide (NaOH) and base oil produced).If the inside add spices and dyes, is to make both colors,...
In the soap usually contains large amounts of water.Add spice to the finished product, dyes and other filling agent, after a quick all sorts of soap. Common use yellow laundry soap, mixed with rosin, rosin in the form of sodium salt and join, its purpose...
Soap is the most basic principle of material surface active agent, which has a hydrophilic group at one end, end with long chain organic matter of the hydrophobic group.Senior fatty acid is a kind of material and the preparation of higher fatty acid the...
1. To give the bike to plastic to cover on the gloves, or position the rubber sheathed on foot, is a difficult thing to do.Handles or at a rubber sleeve, dip in with soap water coating, can play the lubrication effect, set of trendy more effort.2. On...
The production of soap (any grease can! I tried to rape oil, pig, refined swim) Principle 1. Oil boil together with sodium hydroxide, sodium for senior fatty acid hydrolysis and glycerin, the former after processing and molding is soap. 2. Supplies 150...
Detergent comprehensive decontamination ability better and convenient to use than soap.Defect is not easy to wash, residues too much, is generally going to rinse 3-5 to basic water wash.The second is irritating to the skin is very strong, when inhaled...
Soap is a kind of carboxylic acid sodium salt, R - CO2Na, the R group is different from the general, is all sorts of hydrocarbon.R - is abhorred water-based, carboxyl is hydrophilic group.In hard water, soap and Ca2 +, formed the curd shape materials...
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