
|
Executive standard:Q/SWYF001-2011 |
|
|
Item |
Index |
|
Ammonium fluoride contentw/% ≥ |
95.0 |
|
Free acid (HF) w/% ≤ |
1.0 |
|
Fluosilicate[ (NH4) 2SiF6] w/% ≤ |
0.2 |
|
Sulfatew/% ≤ |
0.2 |
|
Moisture w/% ≤ |
4.0 |
|
Iron Few/% ≤ |
0.01 |
|
Heavy metal (Pb) w/% ≤ |
0.001 |
Fujian Shaowu Yongfei Chemical Co., Ltd.
Add: No. 18, Xin' an Road, Shaowu City, Fujian Province, China
Foreign Trade Department Tel: +86-599-6655932/6654968 Fax: +86-599-6654591
Domestic Trade Department Tel: +86-599-6654866/6654968 Fax: +86-599-6655755
High Purity Chemical Product Department Tel: +86-599-6655536/6654968 Fax: +86-599-6655755