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1)  2,4,6-trichloro chlorophosphonazo
2,4,6-三氯偶氮氯膦
2)  trichloro chlorophosphonazo
三氯偶氮氯膦
1.
The fading reaction trichloro chlorophosphonazo with Cr 2O 2- 7 was studied It is found that the reaction has high sensitivity in the medium of nitric acid,and the molar absorptivity is 1 1×10 5 It is one of the best method for the determination of chromium at present The Beers law is abided the range of 0～0.
通过研究三氯偶氮氯膦与Ｃｒ２Ｏ２－７的褪色反应，发现其在硝酸介质中具有高灵敏的褪色反应，其摩尔吸光系数ε＝１。
3)  tribromo-chlorophosphonazo
三溴偶氮氯膦
1.
The colour reaction of tin(Ⅳ) with tribromo-chlorophosphonazo have been studied in this paper.
研究三溴偶氮氯膦与锡（Ⅳ）的显色反应。
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4)  manganese [英]['mæŋɡəni:z]  [美]['mæŋgə'niz]
三溴偶氮氯膦
1.
Study on the determination of trace manganese(Ⅱ) by TB-chlorophosphonazo-Mn(Ⅱ)-KIO_4 system;
三溴偶氮氯膦-Mn(Ⅱ)-KIO_4催化体系测定痕量锰的研究
2.
Study on the Determination of Trace Manganese(Ⅱ) in water Sample by TB-Chlorophosphonazo-KIO_4 System;
碘酸钾—三溴偶氮氯膦催化光度法测定水样中的痕量锰
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5)  trihalogenated CPA
三卤代偶氮氯膦
1.
The effects of solvents, acidity and surfactants on the selectivity in determination of La(Ⅲ) with trihalogenated CPA;
溶剂、酸度及表面活性剂对三卤代偶氮氯膦光度法测定La（Ⅲ）的选择性影响
6)  chlorophosphonazo
偶氮氯膦
1.
In the acid medium of pH=2-4,the absorbance at 680nm is measured by spectrophotometric analysis,using chlorophosphonazo-Ⅲ as chromogenic agent,and oxalic acid as masking agent to screen the interference of some metal ions.
pH在2~4的酸性介质中,采用分光光度法,用草酸掩蔽干扰金属离子,以偶氮氯膦-Ⅲ为显色剂,在680nm波长处测量吸光度。
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补充资料：偶氮氯膦III(chlorophosphomazoIII)
【偶氮氯膦III】(chlorophosphomazoIII)学名“3，6-双[（4-氯-20膦酸基苯）偶氮]-4，5-二羟基-2，7-萘二磺酸”。一种变色酸双偶氮类显色剂。分子式`C_22H_16O_14Cl_2N_4S_2P_2`，分子量757.36。紫色结晶性粉末。易溶于水，微溶于乙醇和丙酮，不溶于乙醚、苯、氯仿和四氯化碳。由于该试剂有二个较强的形成螯合物的`-PO_3H_2`基团，并在偶氮基的对位引入了一个`Cl`原子，所以它比*偶氮
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