HG/T 3811-2006 Translated English of Chinese Standard. (HGT 3811-2006, HG/T3811-2006, HGT3811-2006): Methods of test for bromide for industrial usehttps://www.chinesestandard.net, 21 mai 2016 - 17 pages This standard specifies the test method of bromide for industrial use. This standard is applicable to bromide for industrial use. This standard specifies the determination technology of product. When preparing the test solution, the standards related to the analyzed product shall be referenced to conduct the necessary revision to this standard, so as to make it more appropriate for the determination of product. |
Expressions et termes fréquents
10.00ml of standard 100ml volumetric flask 1ml of solution 216-type silver electrode 217-type double salt 50ml colorimetric tube accordance with formula accordance with HG/T accurate concentration accurate to 0.01g Acetic acid Add 10ml adding water ammonia solution Ammonium nitrite Analytical procedure Take barium chloride bridge saturated calomel Bromide content calculated in accordance conical flask content as stipulated content is counted Dilute double salt bridge evaporating dish fraction w1 GB/T hydrochloric acid hydrogen sulfide mass fraction mass fraction w2 mass of specimen Method summary mol/L molar mass nitrate titration solution Nitric acid solution pipette to transfer potassium iodide potassium thiocyanate titration Preparation of standard prepared in accordance Reagent reference electrode salt bridge saturated saturated calomel electrode silver nitrate titration solution for titration standard colorimetric solution standard potassium thiocyanate standard silver nitrate standard titration solution sulfuric acid solution thiocyanate titration solution titration end-point transfer pipette trichloromethane unit value is expressed water for dissolution