WitrynaN-(1-Naphthyl)ethylenediamine dihydrochloride monomethanolate for spectrophotometric det. of nitrate and nitrite, ≥99.0%; CAS Number: 1357471-44-3; … WitrynaN - (1-Naphthyl)ethylenediamine dihydrochloride is widely used in the quantitative analysis of nitrate and nitrite in water samples by colorimetry. It readily undergoes a diazonium coupling reaction in the presence of nitrite to give a strongly colored azo compound. Sample containing nitrite ions is first neutralized and then treated with ...
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Witryna盐酸萘乙二胺 (CAS:1465-25-4;英文名:N- (1-naphthyl)实验注意事项:. 1.使用1465-25-4实验前需戴好防护眼镜,穿戴防护服和口罩,佩戴手套,避免与皮肤接触。. 2.实验过程中如遇到有毒或者刺激性物质及有害物质产生,必要时实验操作需要手套箱内完成以免对 … Witryna客户可根据DEPC水7732-18-5性质、化学式、分子式、结构式、比重、密度、cas号、沸点、熔点、水溶性、msds、用途、作用、规格包装、性状、注意事项、英文名、别称、纯度、级别等情况,本产品化学性质稳定,运输条件不苛刻,一般储存在阴凉,干燥,通风 … tarif jkk bpjs ketenagakerjaan
N-(1-Naphthyl)ethylenediamine, dihydrochloride, 98+%, ACS …
WitrynaGood quality low price N-1-Naphthylethylenediamine Dihydrochloride 1465-25-4 global trader. Min.Order: 1 Kilogram FOB Price: USD $ 100.0-500.0/Kilogram Good quality low price N-1-Naphthylethylenediamine Dihydrochloride 1465-25-4 global trader Our company is located in hangzhou xiasha economic development zone,Zhejiang.It is a … WitrynaN-(1-Naphthyl)ethylenediamine, dihydrochloride Revision Date 05-May-2024 Suitable Extinguishing MediaWater spray, carbon dioxide (CO2), dry chemical, alcohol … WitrynaN-(1-Naphthyl)ethylenediamine, dihydrochloride Revision Date 05-May-2024 Suitable Extinguishing MediaWater spray, carbon dioxide (CO2), dry chemical, alcohol-resistant foam. Unsuitable Extinguishing MediaNo information available Flash Point No information available Method - No information available Autoignition Temperature No information … 食道がん 大学生