9.Poly(vinyl alcohol)(PVA)-based polyanion was prepared by esterification of PVA with sulfuric acid.
硫酸与聚乙烯醇(PVA)经酯化制备PVA聚阴离子电解质。
10.Ethyl lauryl alcohol respectively react with hydrobromic acid to product bromohydrocarbon,sulfuric acid for catalyst。
以正十二醇和氢溴酸为原料,浓硫酸催化下,生产溴十二烷。
11.dimethylbenzoyl) benzoic acid separately carries on dehydration with gathers the phosphoric acid,the strong sulfuric acid,the fuming sulfuric acid and so on to synthesize 1,4-dimethyl anthraquinones.
二甲基甲酰)苯甲酸分别与多聚磷酸、浓硫酸、发烟硫酸等进行环化反应合成1,4-二甲基蒽醌。
12.The adsorption properties of nicotin by D001B macroporous strong acid resin from sulfuric acid solution have been investigated.
研究了硫酸溶液D001B大孔强酸型树脂对烟碱吸附性能。
13.Bromooctane was synthesized from industrial hydrobromic acid(48%) and n-octanol using concentrated sulfuric acid as catalyst.
以工业废氢溴酸(48%)为原料,浓硫酸存下,与正辛醇进行反应合成1-溴辛烷。
14.Corrosively medium for chemical production such as sodium hydrate,caustic soda,sulfuric acid,nitric acid,acetic acid,fatty acid.
化工生产品腐蚀性物料,如:烧碱、纯碱、浓稀硫酸、碳酸、醋酸等。
15.By fuming with sulfuric-phosphoric acid mixture the residual hydrofluoride was then expelled,and boron was finally determined by curcumin spectrophotometry after distillation.
16.Pyrazole has been prepared through the dehydrogenation of 2 pyrazoline in which catalytic amonts of sodium iodide acts as dehydrogenation agent in sulfuric acid.
硫酸用碘化钠(催化量)作脱氢试剂使2吡唑啉脱氢制备吡唑。
17.METHODS:The purified polysaccharides is determined by colourimetry with sulfuric acid phenol as colourimetric reagent.
结果和结论:测得多糖含量为65。
18.It was proved that the osazone sulfuric acid development method(OSADM) is a quite ideal DAHPS activity assay method, according to the osazone's absorption map, the linear relations, detecting limit.
19.Which indubitably indicate that the bismuthous sulfide can only dissolve in halogen acid except hydrofluoric acid, the mixed solution of dilute sulfuric acid and alkali halide.
结果表明硫化铋只能溶于氢卤酸(除氢氟酸外)、稀硫酸与碱金属卤化物混合液,不能溶于稀硫酸。
20.In the system of sulfuric acid phenylglycollic acid cinchonine potassium chlorate, micro amount of tungsten in ammonium molybdate products has been determined by catalytic polarography.