潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图

Package: vacuum packaging 1, 2, 5 ,25,50kg / piece, cardboard packaging 25, 50 kg / piece, or according to customer’s requirement.

Uses : Used for catalyst, cerium salt raw material, hard alloy additive, chemical reagent and etc.

Molecular Structure:

Product description:

　　Appearance: Yellow six square crystals. Insoluble in alcohol, slightly soluble in water and acid.Test items Results

　　AppearanceYellow crystal

　　TREO≥40.00%

　　CeO2/TREO≥99.95%

　　Impurities (no more than)

　　La2O30.002%

　　Y2O30.001%

　　Pr6O110.001%

　　Nd2O30.001%

　　Fe2O30.0007%

　　CL-0.007%

　　CaO0.003%

　　PbO0.002%