Efficient conversion of pentaerythrite with carbonyl compounds,aldehyde or ketone,to the corresponding pentaerythritol dialdehyde or diketone compounds in the presence of ammonium hydrogen sulfate under microwave irradiation without solvent was described.
无溶剂微波照射下,通过硫酸氢铵催化季戊四醇和醛、酮反应合成了季戊四醇双缩醛、酮化合物。
The behavior for flotation separation of cobalt with sodium nitrate—ammonium thiocyanate—hexadecyl trimethylammonium bromide system and the condition for separation of cobalt with other metal ion were studied.
研究了硝酸钠—硫氢酸铵—溴化十六烷基三甲铵体系浮选分离钴Co(Ⅱ)的行为及其与常见阳离子分离的条件。
Methods In the presence of sodium nitrate the ammonium thiocyanate,malachite green and Co(Ⅱ) can form water-insoluble ion-association complexes.
方法在少量NaNO3存在下,向体系中加入硫氢酸铵和孔雀石绿,使其与Co(Ⅱ)形成不溶于水的三元离子缔合物浮于盐水相上。
Research on properties of ammonia-bisulfite WFGD in stone-coal fired power plant
石煤电厂氨-亚硫酸氢铵WFGD特性研究
SYNTHESIS OF TRI-BUTYL CITRATE CATALYZED BY TASK-SPECIFIC ROOM TEMPERATURE IONIC LIQUID
3-N,N,N-三甲铵基丙磺酸硫酸氢铵离子液体催化柠檬酸三丁酯的合成
Process for Producing of Feed Calcium Hydrophosphate by One Step De-fluorination and By-producing of Ammonia Sulfate
一步脱氟制备饲料级磷酸氢钙及硫酸铵新工艺
Study on hydrodesulfurization of thiophene over Mo/Al_2O_3 catalyst presulfided by thiosulphate ammonium
硫代硫酸铵预硫化的Mo/Al_2O_3催化剂加氢脱硫反应性能研究
Ammonium hydrogen carbonate for industrial use--Determination sulphate content -- Visible turbidimetric method
GB/T6276.4-1986工业用碳酸氢铵硫酸盐含量的测定目视比浊法
Linsuanerqingjia, ammonium sulfate purification, packaging materials, chemical products (excluding hazardous chemicals) sales.
磷酸二氢钾、硫酸铵提纯，包装材料、化工产品（不含化学危险品）销售。
bisulfate, bisulphate
硫酸氢盐,酸式硫酸盐
Ammonium hydrogen carbonate for industrial use--Determination sulphide content -- Visible turbidimetric method
GB/T6276.3-1986工业用碳酸氢铵硫化物含量的测定目视比浊法
Alcoholysis of Epoxides and Aziridines Catalyzed by Quaternary Ammonium Bisulfate
硫酸氢季铵盐催化环氧化物和氮杂环丙烷的醇解反应
hydrogen sulfate
重硫酸盐，硫酸氢盐
Ammonium hydrogen carbonate for industrial use
GB/T6275-1986工业用碳酸氢铵
Chemical reagent--Ammonium sulfate
GB/T1396-1993化学试剂硫酸铵
ammonium dimethyl-dithiocarbamate
二甲氨基二硫代甲酸铵
Separation of copper with ammonium sulfate-ammonium thiocyanate-ethyl violet flotation system
硫酸铵-硫氰酸铵-乙基紫体系浮选分离铜
The main products cover ammonuium sulfocyanide,sodium thiocyanate, potassium sulphocyanide, cuprous sulfocyanide etc,Calcium Thiocyanate.
主要产品有硫氰酸铵、硫氰酸钠、硫氰酸钾、硫氰酸亚铜、硫氰酸钙等。
Ammonium hydrogen carbonate for industrial use--Determination of arsenic content--Silver diethyl dithiocarbamate photometric method
GB/T6276.7-1986工业用碳酸氢铵砷含量的测定二乙基二硫代氨基甲酸银分光光度法
Hydrolyzed polymaleic anhydride was synthesized using iron ammonium sulfate as catalyst and hydrogen peroxide as initiator in aqueous media.
以水为溶剂,30%过氧化氢为引发剂,硫酸铁铵为催化剂,直接合成了水解聚马来酸酐。
Ammonium carbonate decomposes to ammonium and bicarbonate.
碳酸铵进一步分解为铵离子和碳酸氢根离子。
