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- fuchsin sulfurous acid reagent 品红亚硫酸试剂
- fuchsine sulfurous acid reagent 品红亚硫酸试剂
- Discussion on Standard Curve -protracting in Determining White Spirits Methanol through Fuchsin Sulfurous Acid 品红亚硫酸法测定酒中甲醇的标准曲线绘制法的探讨
- It is produced by the reduction of fuchsin by sulfurous acid, and is oxidized by aldehydes and ketones, restoring the magenta color of the fuchsin. 配法是用亚硫酸使品红溶液还原,若有醛酮类存在时便使之氧化而重新呈现品红本身的洋红色。
- fuchsine sulfurous acid; 品红亚硫酸;
- fuchsine sulfurous acid 品红亚硫酸
- selenious sulfuric acid reagent [医] 亚ㄜ酸硫酸试剂, 梅克氏试剂
- Methods The content of glucose in Processed Honey and Honey Processed Radix Polygalae was determined using 3,5-dinitryl-salicylic acid reagent (DNS) . 方法以葡萄糖含量为指标,以 3,5-二硝基水杨酸为显色剂,在540(±1)mn处测其吸光度,测定炼蜜及不同用蜜量蜜远志中的葡萄糖含量。
- The cooking liquor, called acid, is thus a solution of calcium which contains an excess of sulfurous acid. 蒸煮所用酸液是一种含有过量硫酸的酸性亚硫酸钙的溶液。
- Most sulfuric acid is made by the contact process. 大多数的硫酸是用接触法制造的。
- 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。
- The virulent matter such as the sulfurous acid and so on in fog is harmful to people's health, outside agriculture and metal material. 雾中含有亚硫酸等有毒物质,有害人们身体健康,有害室外农业和有损外露金属材料,属气象灾害。
- The active cooking chemicals in the sulfite process are sulfur dioxide, sulfurous acid, and calcium bisulfite. 亚硫酸盐法制浆过程中活性化学物质是二氧化硫、硫酸以及酸性亚硫酸钙。
- A corrosive solution of sulfur trioxide in sulfuric acid. 发烟硫酸含三氧化硫酸的一种腐蚀性溶液
- A volatile,highly flammable liquid,C2H5OC2H5,derived from the distillation of ethyl alcohol with sulfuric acid and widely used as a reagent,a solvent,and an anesthetic. 乙烯一种易挥发的,极易燃烧的液体C2H5OC2H5,由乙醇与硫酸一起蒸馏获得,广泛用作试剂、溶剂和麻醉剂。
- The paper introduces the reaction mechanism of oxidating sulfurous acid calcium to gypsum and some factors to influence the reaction process. 介绍了亚硫酸钙氧化为石膏的反应机理及影响反应过程的某些因素。
- A volatile, highly flammable liquid, C2H5OC2H5, derived from the distillation of ethyl alcohol with sulfuric acid and widely used as a reagent, a solvent, and an anesthetic. 乙烯一种易挥发的,极易燃烧的液体C2H5OC2H5,由乙醇与硫酸一起蒸馏获得,广泛用作试剂、溶剂和麻醉剂
- Chlorination is carried out with Nhaloamines and sulfuric acid. 氯化是用N-卤胺和硫酸。
- A substance, such as sulfuric acid, that removes water. 脱水物质脱去水分的一种物质,如硫酸
- Benedict-Hitchcock uric acid reagent 本-希二氏尿酸试剂