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TEL：0086-27-82288353
+86-13971029269
FAX：0086-27-82288295
Email: whcz_78@163.net
ADD.: Rm 1013,BLDG 3,Area C,Hankou City Plaza,Houhu Avenue,Wuhan
地址：武汉市江岸区后湖大道汉口城市广场C区3号楼1013
网址：www.zoyochem.com
| ITEM | STANDARD |
| APPEARANCE | WHITE CRYSTALLINE POWDER |
| ASSAY | 99.0-101.0% |
| ODOR | ABSENT |
| WATER SOLUBILILTY | FREELY SOLUBLE |
| ULTRAVIOLET ABSORPTION | 227±2NM |
| SOLUBILITY IN ETHANOL | SLIGHTLY SOLUBLE |
| LOSS ON DRYING | 1.0 % MAX |
| SULFATE | 0.1% MAX |
| POTASSIUM | 17.0-21 % |
| IMPURITY | 20 PPM MAX |
| HEAVY METAL( PB) | 1.0 PPM MAX |
| FLUORID | 3.0 PPM MAX |
| SELENIUM | 10.0 PPM MAX |
| LEAD | 1.0 PPM MAX |
| PH VALUE | 6.5-7.5 |
