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共找到 150 條與 二乙基二硫代氨基甲酸鈉(銅試劑) 相關的標準,共 10

Sulphur for industrial use — Determination of arsenic content — Silver diethyldithiocarbamate photometric method

本標準適用于地面水、地下水和工業(yè)廢水中銅的測定

Water quality--Determination of copper--Sodium diethyldithiocarbamate spectrophotometric method

Applicable to determining the quantities contained either in all the test solution or in the aliquot portion of between 1 g and 20 g that is taken

General method for the determination of arsenic; Silver diethyldithiocarbamate photometric method

La présente Norme internationale spécifie une méthode photométrique au diéthyldithiocarbamate d'argent pour le dosage de l'arsenic dans racide

Sulphuric acid for industrial use - Determination of arsenic content -Silver diethyldithiocarbamate photometric method

Reagents. Zine sulphate heptahydrate- Determination of arsenic content. Silver diethvldithiocarbamate speetrophotometric method

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Sulphur for industrial use-Determination of arsenic content-Silver diethyldithiocarbamate photometric method

Applicable to products having As contents of more than 0.1 mg/kg. Relates to the method of analysis according to ISO 2590. Reduction of the As by zinc

Phosphoric acid for industrial use; Determination of arsenic content; Silver diethyldithiocarbamate photometric method

本標準規(guī)定二乙基二硫代氨基甲酸銀分光光度法測定水和廢水中的砷

Water quality--Determination of total arsenic--Silver diethyldithiocarbamate spectrophotometric method

Hydrochloric acid for industrial use; Determination of arsenic content; Silver diethyldithiocarbamate photometric method

WATER QUALITY-DETERMINATION OF TOTAL ARSENIC-SILVER DIETHYLDITHIOCARBAMATE SPECTROPHOTOMETRIC METHOD

ADOPTED_FROM:ISO 6595:1982 Describes a procedure for water and waste water. Is applicable to concentrations in the range from 0,001 to 0,1 mg/l

Water quality — Determination of total arsenic — Silver diethyldithiocarbamate spectrophotometric method

Sulphur for industrial use - Determination of arsenic content -Silver diethyldithiocarbamate photometric method

Foodstuffs.Determination of arsenic content by silver diethyldithiocacbamate method

Hydrochloric acid for industrial use. Determination of arsenic content by silver diethyldithiocarbamate photometric method

本標準規(guī)定了將As(V)、As(Ⅲ)還原為砷化氫,用吸收液吸收并用二乙基二硫代氨基甲酸銀(AgDDTC)比色測定的通用方法。 本標準適用于化學試劑中微量砷的測定。分光光度法或目視比色法的檢測范圍在吸收液中為0.1~4μg/mL(以As計

Chemical reagent--General method for the determination of arsenic (AgDDTC)




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