sulfuric

sulfuric acid.

history of sulfuric acid industry

工业展史

Muriatic Acid and cocaine are natural ingredients as well. So is sulfuric acid.

盐和古柯碱都也是天然成分，所以也是...

The nitrosation of cyclohexanecarboxylic acid (CCA) with nitrosyl sulfuric acid is an important industrial process to produce ε-caprolactam.

摘要由环己烷羧与亚硝基的亚硝化反应制取己内酰胺是一个重要的工业反应过程。

Phosphate rock is mixted with sulfuric acid and with revycled first-wash acid in a premixer.

磷矿一个预混合槽中与以及循环回的第一洗涤进行混合。

Sulfuric acid, compounds, barium salt , mixt. with zinc oxide and zinc sulfide;

名称 钡与氧化锌和化锌的化合物;立德粉;

The colorimetry of sulfuric acid and p-Dimethylaminobenzaldehyde used to determinate the fusel oil of alcoholic liquor,but it occurs deviation.

测定白酒中杂醇油常采用-对二甲胺基苯甲醛比色法,但测定常有误差。

It is based on the catalytic effect of phenols for the oxidation of gallocyanin by sodium bromate in sulfuric acid medium.

中,利用酚催化溴钠氧化花青的反应,联用顺序注射技术建立了顺序注射催化动力学光度法测定废水中痕量酚的新方法。

Poly(vinyl alcohol)(PVA)-based polyanion was prepared by esterification of PVA with sulfuric acid.

与聚乙烯醇(PVA)经酯化制备PVA聚阴离子电解。

Ethyl lauryl alcohol respectively react with hydrobromic acid to product bromohydrocarbon,sulfuric acid for catalyst。

以正十二醇和氢溴为原料,浓的催化下,生产溴十二烷。

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)苯甲分别与多聚磷、浓、等进行环化反应合成1,4-二甲基蒽醌。

The adsorption properties of nicotin by D001B macroporous strong acid resin from sulfuric acid solution have been investigated.

研究了溶液中D001B大孔强型树脂对碱的吸附性能。

Bromooctane was synthesized from industrial hydrobromic acid(48%) and n-octanol using concentrated sulfuric acid as catalyst.

以工业废氢溴(48%)为原料,浓存下,与正辛醇进行反应合成1-溴辛烷。

Corrosively medium for chemical production such as sodium hydrate,caustic soda,sulfuric acid,nitric acid,acetic acid,fatty acid.

化工生产品中的腐蚀性物料，如：烧碱、纯碱、浓稀、碳、醋等。

By fuming with sulfuric-phosphoric acid mixture the residual hydrofluoride was then expelled，and boron was finally determined by curcumin spectrophotometry after distillation.

同时，对所拟溶样条件下所得硼的分析结果是否为全硼问题进行了进一步探讨，结果证实，所拟溶样条件下硼的测定结果为全硼。

Pyrazole has been prepared through the dehydrogenation of 2 pyrazoline in which catalytic amonts of sodium iodide acts as dehydrogenation agent in sulfuric acid.

中用碘化钠(催化量)作脱氢试剂使2吡唑啉脱氢制备吡唑。

METHODS:The purified polysaccharides is determined by colourimetry with sulfuric acid phenol as colourimetric reagent.

结果和结论:测得多糖的含量为65。

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.

根据糖脎的物吸收图谱、线性关系、最小检出限等方面都证明糖脎显色法是一种比较理想的DAHPS的酶活性测定方法，并确定此法为测定酶活性的第三种方法。

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.

结果表明化铋只能溶于氢卤（除氢氟外）、稀与碱金属卤化物的混合液中，不能溶于稀中。

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.

-苯羟乙 -辛可宁 -氯钾体系中 ,催化极谱法测定钼铵产品中的微量钨。