Ammonium sulfate Suppliers, Ammonium sulfate Manufacturers.
Item | Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Value | ||
Superior class | First class | Acceptable class | |
Appearance | Â White crystal | White crystal | White crystal |
Nitrogen (dry base)%Â >= | 21.0 | 21.0 | 20.5 |
H2OÂ Â Â %Â Â Â Â <= | 0.2 | 0.3 | 1.0 |
Free acid (H2SO4) %Â <= | 0.03 | 0.05 | 0.20 |
Fe    %      <= | 0.007 | - | - |
As   %  <= | 0.00005 | - | - |
Heavy metal(Pb)Â Â Â Â <= | 0.005 | - | - |
Water insolubles %Â Â Â <= | 0.001 | - | - |
Company: |
Guangzhou Yijia Chemical Trading Co., Ltd. |
E-mail: |
chem@netsun.com |
Address: |
Room 418, Block A, Sui Jing Building 575 Jichang Road |
Zip Code: |
510403 |