GB/T 26523-2011 Translated English of Chinese Standard. (GBT 26523-2011, GB/T26523-2011, GBT26523-2011): Refined cobaltous sulfateshttps://www.chinesestandard.net, 13. jul. 2020 - 26 sider This Standard specifies the requirements, test methods, inspection rules, marking, labeling, packaging, transportation and storage of refined cobaltous sulfates. This Standard applies to refined cobaltous sulfates that are mainly used in industries such as chemical industry, electroplating industry, battery industry, chemical reagents. |
Almindelige termer og sætninger
100 mL volumetric absolute difference according to Formula according to HG/T add 5 mL add water Analysis steps Weigh arithmetic mean arsenic spots arsenic standard solution atomic absorption spectrophotometer blank test solution bromide test paper cadmium calcium content calculated according contains 0.1 mg content is calculated Ethylene Diamine first-class product g of sample grams g hollow cathode lamp hydrochloric acid hydrochloric acid solution Impurity element Instruments and apparatuses isoamyl alcohol manganese mark mass fraction mercury bromide test mercury standard solution Method summary milligrams mg mL of hydrochloric mL of solution mL of water mL volumetric flask Nitric acid parallel determination results Pipette 1 mL potassium permanganate prepared according Reagents refined cobaltous sulfates Result calculation sample mass separatory funnel shake solution contains 0.1 standard titration solution stannous chloride sulfuric acid sulfuric acid solution superior product Take the arithmetic value is expressed water insoluble matter water to dilute water to dissolve zinc