
Technical Standard (GB1626-2008)
Appearance:White Crystals
Package:25kg net in plastic waven bags lined with plastic bags
Electronic Industry : To make electronic materials to clean rate intergrate circuit board.
Metallurgy Industry: As precipitating and resolving agent or rare earth material ect.
Others: As laboratory agent,solvents activato and basic materialsfor chemical industry
|
index |
Wonderful grade |
First grade |
Up to grade |
|
purity(H2C2O4¡¤H2O)% ¡Ý |
99.6 |
99.4 |
99.0 |
|
suiphate group(SO4-2) % ¡Ü |
0.0010 |
0.003 |
0.005 |
|
Ash % ¡Ü |
0.01 |
0.015 |
0.08 |
|
heavy metal(Pb+2) % ¡Ü |
0.00005 |
0.0001 |
0.0005 |
|
Fe+3 % ¡Ü |
0.00005 |
0.0001 |
0.0005 |
|
Cl- % ¡Ü |
0.0005 |
0.0005 |
0.001 |
|
Ca+2 % ¡Ü |
0.0001 |
0.00015 |
0.0005 |
|
Al % ¡Ü |
0.0001 |
0.0001 |
0.0001 |
|
Mg % ¡Ü |
0.00005 |
0.00001 |
0.00001 |
|
Na % ¡Ü |
0.00015 |
0.0002 |
0.0005 |
|
As % ¡Ü |
0.00001 |
0.00001 |
0.00001 |



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Last Update:2022-12-23 15:15:17
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