ammonium thiocyanate 中文意思是什麼
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Manufacturer of thiocyanate compounds in china, offering the ammonium, sodium, and potassium salts, as well as carbon disulfide, guanidine isothiocyanate, and perchloromethyl mercaptan
-生產重質純堿輕質純堿普通堿低鹽堿超低鹽堿特殊低鹽堿工業純堿和食品添加劑純堿。 -
Thiocyanates manufacturer in china, offering ammonium, sodium, potassium, and calcium thiocyanate, as well as sodium hydrosulfide, barium chloride, and carbon disulfide
-專門生產水合二氧化硅白炭黑,硅酸鈉水玻璃,年可供年產白炭黑6萬多噸,水玻璃25萬多噸。 -
Chemical reagent - ammonium thiocyanate
化學試劑硫氰酸銨 -
Ammonium thiocyanate for industrial use
工業硫氰酸銨 -
Photography - processing chemicals - specifications for ammonium thiocyanate
攝影技術.洗片化學製品.硫氰酸銨規范 -
Manufacturer and exporter of sodium thiocyanate, ammonium thiocyanate, potassium thiocyanate, calcium thiocyanate, anthracite filter media, accelerators
-專業生產氟利昂製冷劑系列和熏蒸劑系列產品。包括公司介紹,質量保證等。 -
Ammonium thiocyanate 98 % and
硫氰酸銨 -
Methods for analysis of plating black nickel solutions part 5 : determination of ammonium thiocyanate content by potentiometric titrimetric method
電鍍黑鎳溶液分析方法第5部分:電位滴定法測定硫氰酸銨的含量 -
Effects of the method analysing contents of iron ions in clarified brine on the production of chlorine and caustic soda are discussed. shortcomings of currently used analytical method - ammonium thiocyanate method are indicated, and a new effective method ? ? o - phenanthroline colorimetry is proposed
文中通過精鹽水中鐵離子濃度的分析方法對氯堿生產的影響的討論,指出目前常用的硫氰酸銨法的不足之處,並提出了一種行之有效的精確度較高的分析法?鄰菲羅啉比色法。 -
All of 19 amino acid thiohydantoins were synthesized by using free amino acids as starting materials, acetic anhydride as the carboxyl group activating reagent and tms - itc as the derivatizing reagent. the proiine thiohydantoin was prepared by using ammonium thiocyanate ( n114scn ) as the derivatizing reagent
本文以l -氨基酸為原料,採用乙酸酐作活化試劑, tms - itc作為偶聯試劑,制備了19種th - aa ,另外th - pro的制備是用nh _ 4scn作為偶聯試劑獲得成功的。 -
Methods for the sampling and analysis of tin and tin alloys - method for the determination of silver in solders volumetric : ammonium thiocyanate method
錫及錫合金取樣及分析方法.第7部分:焊料中銀含量測定方法
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