GB 22548-2017 Translated English of Chinese Standard. GB22548-2017: Feed additive - Monocalcium phosphatehttps://www.chinesestandard.net, 2019 M08 31 - 14 páginas This Standard specifies the requirements, test methods, inspection rules and labeling, packaging, transportation and storage of the feed additive monocalcium phosphate. This Standard applies to the feed additive monocalcium phosphate that is produced by wet-process phosphoric acid. |
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100 mL volumetric absolute difference according to Formula add 10 mL add 5 mL add water additive monocalcium phosphate Analysis steps Weigh arithmetic mean blank test solution cadmium calcium content calculate according Chemical reagent chromium content content Pipette 25 determinate and calculate Determination of calcium Determination of lead Determination Pipette 25 dissolve EDTA standard titration electrode Electrothermal constant-temperature drying feed additive monocalcium feeds GB/T filtrate free moisture g of sample glacial acetic acid glass mortar grams g hydrochloric acid solution inspection result mass fraction mass of quinoline method GB/T Method summary mg/kg mL of hydrochloric mL of test mL of water mL volumetric flask molybdate nitric acid solution parallel determination results Pipette 25 mL Preparation of test quinoline phosphomolybdate precipitate Result calculation sample mass shake Sichuan solution A Weigh standard titration solution Take the arithmetic test methods Test sieves type inspection watch glass water to dilute water-soluble phosphorus weighing bottle