HG/T 3696.3-2011 Translated English of Chinese Standard (HG/T 3696.3-2011, HGT3696.3-2011): Inorganic chemicals for industrical use. Preparations of standard and reagent solutions for chemical analysis. Part 3: Preparations of reagent solutions [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 20 сент. 2022 г. - Всего страниц: 33 This standard specifies the preparation of preparations, products, reagents, solutions, buffer solutions, indicators, indicator solutions, which are commonly used in the chemical analysis of inorganic chemical products. This standard applies to the preparation of preparations and products, which are required for chemical analysis of inorganic chemical products. It can also be used for chemical analysis of other chemical products. |
Часто встречающиеся слова и выражения
acetate buffer solution Acetic acid-sodium acetate acid solution 20 acid-sodium acetate buffer Add 2 mL ammonia ammonia water Bromocresol green brown bottle buffer solution pH carboxylate Chrome black Dissolve ethanol solution ethanol to dilute filter flask g of ammonium g of ferric g of potassium g of sodium g of stannous g/L sodium hydroxide glacial acetic acid hydrochloric acid hydrochloric acid solution indicator Weigh Lead acetate Let it stand methyl red mL of ammonia mL of ethanol mL of glacial mL of hydrochloric mL of nitric mL of sulfuric mL of water mol/L Nessler's reagent nitric acid potassium tetraphenylboron Prepare reagent Weigh saturated solution sodium acetate CH3COONa sodium chloride sodium hydroxide sodium hydroxide solution sodium indigo disulfonate Sodium sulfide Sodium tetraphenylboron solution solution 0.5 solution 1 g/L solution Weigh standard titration solution Stannous chloride stannous chloride SnCl2 sulfuric acid sulfuric acid solution titration valid period water to dilute Weigh 10 g