1)Diphenylcarbazide二苯碳酰二肼
1.Diphenylcarbazide Spectrophotometric Determination of Sulfur Dioxide in Air二苯碳酰二肼分光光度法测定空气中二氧化硫
2.In a strongly acidic mediuma redox reaction between Cr (Ⅵ)anddiphenylcarbazide occurs,the resultant prod-uct is a stable complex.在强酸性介质中,Cr(Ⅵ)与二苯碳酰二肼发生氧化还原反应,反应产物能结合生成稳定的络合物。
英文短句/例句
1.dinitrodiphenyl carbazide二硝基二苯碳酰二肼
2.Diphenylcarbazide Spectrophotometric Determination of Sulfur Dioxide in Air二苯碳酰二肼分光光度法测定空气中二氧化硫
3." Solid waste--Determination of total chromium--1,5- diphenylcarbazide spectrophotometric method"GB/T15555.5-1995固体废物总铬的测定二苯碳酰二肼分光光度法
4." Solid waste--Determination of chromium(VI)--1,5-diphenylcarbazide spectrophotometric method"GB/T15555.4-1995固体废物六价铬的测定二苯碳酰二肼分光光度法
5.Improvement of Diphenylcarbohydrazide Spectrophotometric Method used to Determine Hexavalent Chromium in the Water二苯碳酰二肼光度法测定水中六价铬方法的改进
6.1,4-benzenedicarbonyl chloride1,4-苯二碳酰氯
7.Methods for chemical analysis of tungsten--The diphenylcarbazide photometric method for the determination of chromium contentGB/T4324.21-1984钨化学分析方法二苯基碳酰二肼光度法测定铬量
8.Methods for chemical analysis of molybdenum--The diphenylcarbazide photometric method for the determination of chromium contentGB/T4325.21-1984钼化学分析方法二苯基碳酰二肼光度法测定铬量
9.Methods for chemical analysis of iron ores--The diphenyl carbazide photometric method for the determination of chromium contentGB/T6730.30-1986铁矿石化学分析方法二苯基碳酰二肼光度法测定铬量
10.Methods for chemical analysis of ferrosilicon--The diphenylcarbazide photometric method for the determination of chromium contentGB/T4333.6-1988硅铁化学分析方法二苯基碳酰二肼光度法测定铬量
11.Vanadium--Determination of chromium content--Diphenylcarbazide spectrophotometric methodGB/T8639.2-1988钒化学分析方法二苯基碳酰二肼光度法测定铬量
12.Methods for chemical analysis of aluminium oxide--The diphenyl carbazide photometric method for the determination of chromium sesquioxide contentGB/T6609.8-1986氧化铝化学分析方法二苯基碳酰二肼光度法测定三氧化二铬量
13.succinic acid 2,2-dimethyl hydrazide丁二酸-2,2-二甲酰基肼
14.Study on the synthesis and antibacterial activity of benzene-1,2-dicarbaldehyde bis-salicyloyl hydrazide Schiff base;邻苯二甲醛双缩水杨酰肼Schiff碱的合成及抑菌活性研究
15.The Effect of Flavonoids Extracted from Tartary Buckwheat Seedlings on DPPH Elimination苦荞麦苗黄酮类化合物清除二苯代苦味酰肼自由基的作用
16.Preparation and Thermal Stability of Poly(decamethyleneterephthalamide)聚对苯二甲酰十碳二胺的制备和热稳定性研究
17.Study on preparation of 3,3',4,4'-tetraamino diphenyl sulfone by hydrazine hydrate reduction with Pd/C catalyst钯碳催化水合肼还原制备3,3,’4,4’-四氨基二苯砜的研究
18.3,3' -dimethylbenzidiniun dichloride3,3' -二氯化二甲基苯偶酰
相关短句/例句
1,5-diphenylcarbohydrazide二苯碳酰二肼
1.Chromium(III) in cross linking agent of water from oilfield was oxidized to Chromium(VI) by oxidant ammonium persulfate,and chromium was determined with 1,5-diphenylcarbohydrazide spectrophotometry method.研究了用过硫酸铵做氧化剂,将油田水样交联剂中的Cr3+氧化为Cr6+,然后用二苯碳酰二肼分光光度法直接测定的最佳条件。
3)diphenylcarbazide二苯基碳酰二肼
1.Spectrophotometric determination of silver ion in developing waste liquor with diphenylcarbazide;二苯基碳酰二肼分光光度法测定显影废液中银离子
4)Diphenyl carbazide二苯基碳酰二肼
1.Diphenyl carbazide(DPC)FIAspectrophotometric determination of trace Cr(Ⅳ) and Cr(Ⅲ) in water was studied.建立了测定水中痕量 Cr( )和 Cr( )的二苯基碳酰二肼 ( DPC) -流动注射分光光度法。
2.A simple and accurate spectrophotometric method for the determination ofmicro amount of chromium in zircon concentrate using diphenyl carbazide has beendeveloped.对用二苯基碳酰二肼光度法测定锆石精矿中微量铬的反应条件和高锰酸钾的氧化作用进行了研究,制定出准确和简便的分析方法。
5)Diphenyl carbohydrazide二苯基碳酰肼
6)phenyl-diazenecarboxylic aci 2-phenylhydrazide二苯偶氮碳酰肼
延伸阅读
二苯碳酰二肼分子式C13H14N4O分子量242.28CAS140-22-7白色或浅粉红色结晶性粉未,溶点170℃。露置空气中逐渐变为红色。微溶于水(~0.024g/100ml),不溶于醚,溶于乙醇、丙酮等其它有机溶剂。溶液比固体易氧化,逐渐变为黄和棕色。试剂和多种金属发生有色反应:Ag+(紫)、Ni2+(蓝)Pb2+(橙蓝)。试剂与CrO42-的反应机理至今还不完全清楚,有人认为是二苯碳酰二肼由CrO42-氧化为二苯缩氨基脲,后者再与Cr3+形成络合物。所形成的络合物阳离子与Cl-结合成离子对,可为戊醇萃取。Cu2+、Fe2+、Hg+、Hg2+、Se4+和TcO4-与试剂反应的原理类似于CrO42-的反应,即氧化还原和络合反应。对测定铬(Ⅵ)几乎是特效的,用作汞和铝盐滴定Cl-、Br-、I-、CN-、SO42-的指示剂,也可用于检定Cu2+、CrO42-、Fe3+、、Hg2+、MnO42-、VO3-和H2O2。避光、密封保存。