sulfuric

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

酸与聚乙烯醇(PVA)经酯化制备PVA聚阴离子电解质。

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

测得多糖含量为65。

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,在浓酸存在下,与正辛醇行反应合成1-溴辛烷。

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

磷矿在一个预混合槽中与酸以及循环回第一洗涤酸行混合。

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,在浓酸催化下,生产溴十二烷。

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

化工生产品中腐蚀性物料，如：烧碱、纯碱、浓稀酸、碳酸、醋酸等。

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酸-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.

在酸介质中,催化溴酸钠氧化花青反应,联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新方法。

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

在酸中碘化钠(催化量)作脱氢试剂使2吡唑啉脱氢制备吡唑。

This article introduces that using mixed acid of nitric acid and sulfuric acid, beet waste-slag produces industrial product oxalic acid by ordinary pressure hydrocarbonylation.

本文介绍硝混酸常压氧化法，把甜菜废渣制成工业品草酸。

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.

在酸 -苯羟乙酸 -辛可宁 -氯酸钾体系中 ,催化极谱法测定钼酸铵产品中微量钨。

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酸（除氢氟酸外）、稀酸与碱金属卤化物混合液中，不能溶于稀酸中。

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.

根据糖脎物质吸收图谱、线性关系、最小检出限等方面都证明糖脎酸显色法是一种比较理想DAHPS酶活性测定方法，并确定此法为测定酶活性第三种方法。