sulfuric acid.
硫
sulfuric acid.
硫
history of sulfuric acid industry
硫工业发展史
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,所以硫
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硫
亚硝化反应制取己内酰胺是一个重要
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硫
以及循环回
第一洗涤
进行混合。
Sulfuric acid, compounds, barium salt , mixt. with zinc oxide and zinc sulfide;
名称 硫钡与氧化锌和硫化锌
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硫-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.
硫
介质中,利用酚催化溴
钠氧化花青
反应,联用顺序
术建立了顺序
催化动力学光度法测定废水中痕量酚
新方法。
Poly(vinyl alcohol)(PVA)-based polyanion was prepared by esterification of PVA with sulfuric acid.
硫与聚乙烯醇(PVA)经酯化制备PVA聚阴离子电解质。
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,
浓硫
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
、浓硫
、发烟硫
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.
研究了硫溶液中D001B大孔强
型树脂对烟碱
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,
浓硫
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.
化工生产品中腐蚀性物料,如:烧碱、纯碱、浓稀硫
、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
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.
硫
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.
根据糖脎物质吸收图谱、线性关系、最小检出限等方面都证明糖脎硫
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。
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(除氢氟
外)、稀硫
与碱金属卤化物
混合液中,不能溶于稀硫
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.
硫
-苯羟乙
-辛可宁 -氯
钾体系中 ,催化极谱法测定钼
铵产品中
微量钨。
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