|
項(xiàng)目 Terms |
指標(biāo) Index |
外觀 Apperarance |
白色粉末、無(wú)臭、無(wú)味 White power,free from any flavor and smell. |
鑒別 Indentification |
呈正反應(yīng) Positive Reaction |
酸度 Acidity PH |
4.5-7.0 |
干燥失重 Loss on Drying % |
≤14.0 |
灰分 Ash % |
≤0.2 |
鐵鹽 lron % |
≤0.002 |
二氧化硫 Sulfur Dioxide % |
≤0.004 |
氧化物質(zhì) Oxide % |
≤0.002 |