亚洲大香线伊人婷婷五月-双性攻h文-五月天天丁香婷婷在线中-一级毛片免费试看-雷电将军与丘丘人繁衍后代中文版-久久精品国产亚洲a∨蜜臀-国内久久婷婷五月综合趴-亚洲欧美另类精品久久久-粉嫩一区二区三区国产精品

Quality Standard：

Properties：
The product is a white powdery crystal. It can deliquesce easily and dissolve easily in water. It can dissolve in alcohol slightly. It can be resolved when it is affected by the heat or it is in hot water. It can corrode glass. It’s poisonous.
Application：
The product can be used for glass frosting or extracting rare elements and used as a preservative or a mordant.
Storage：
Moisture-proof and sealed preservation is needed.
Transport：
It should be treated as inorganic poisonous goods.
Packing：
The product is packed in a 10kg or 20kg polythene plastic bag. Also pack it on consumer requests.