PROBLEMS ON PERCENT COMPOSITION, EMPIRICAL FORMULA, AND MOLECULAR FORMULA 1. Calculate the formula or molecular mass for the following substances: Potassium sulfate sulfur dioxide Calcium hydroxide 2. Calculate the molar masses for the following substances: Potassium nitrate Magnesium sulfate Dinitrogen pent...
A process for the preparation of low molecular weight polyhydroxyl compounds by condensing formaldehyde hydrate in the presence of calcium hydroxide as a catalyst, as well as capable of enediol compounds as cocatalyst, characterized in that higher molecular weight a formaldehyde-containing solution of ...
Sewage sludge includes dewatered sewage of wastewater treatment plant, digging sludge of city sewer and sum wadi dirt mud1. Dewatered sewage from sewage process factory is the main source. Dewatered sewage of sewage process factory is the half solid or solid material in sewage process course, a...
摘要: Novel cellulose ethers having a molecular weight from 3000 to 10,000 and a methyl degree of substitution of from 1.8 to 2.7 are especially useful as soil release agents in detergent compositions.收藏 引用 批量引用 报错 分享 文库来源 其他来源 求助全文 Cellulose ethers having a low ...
After 15 min, the reaction was ceased by adding of a small amount of water. After the precipitates of lithium hydroxide were filtered off, the solution was treated with drierite (calcium sulfate). The drierite in the solution was fil- tered off and the solvent and other low boiling point ...
PRODUCTION OF ADDUCT AND LOW MOLECULAR WEIGHT POLYMER Example 1 98 grams of maleic anhydride (1 mole) were slurried with 50 grams of water and heated to 55° C. for 30 minutes in an oil bath. 68 grams of 30% Ammonium hydroxide was then added and the mixture heated for four hours at...
Oleoyl methyl taurine salt dispersant and water miscible cosolvent; water-reducible addition polymer with acid group neutralizes with lithium hydroxide, so... salt dispersant from 0 to 70.0% by weight of a water miscible co-solvent; and from 0.1 to 20.0% by weight of a water-reducible addition...
A lubricant composition comprises an ethylene/α-olefin interpolymer having a number average molecular weight of less than 10,000 g/mol as a base oil and at least one oil additive. T
Polyvinylpyrrolidone and/or polyvinyl methyl ether, calcium hydroxide, and water in given weight percents; temporary root canal filling; bioaffinity, prope... A calcium hydroxide-based root canal filling material having superior bioaffinity is provided, which is a temporary root canal filling material...
18. The process of claim 17 wherein the alkaline catalyst is magnesium oxide or calcium hydroxide. 19. The process of claim 1 further comprising mixing at least one of an antioxidant or a UV stabilizer with the light-colored phenolic-modified rosin ester. 20. The light-colored phenolic-mo...