Molecular formula:MnCO3
relative molecular mass MW(molecular weight):114.95(press the year of 2007 international relative atomic mass)
appearance:light brown or boary powder
test standard:HG/T 4203-2011
use:mainly deed desulfuration catalyst、porcelain glaze the pigment of porcelain glaze、varnish drierand make other raw material of manganese salt.
item
|
index
|
Manganese carbonate(calculate by Mn)w/% ≥
|
42.5
|
chloride(Cl)w/% ≤
|
0.01
|
sulfate(SO4)w/% ≤
|
0.6
|
Molecular formula:MnCO3
relative molecular mass MW(molecular weight):114.95(press the year of 2013 international relative atomic mass)
appearance:light brown or offwhite powder
use:mainly deed catalyst.
Item
|
Index
|
Manganese carbonate(calculate by Mn)w/% ≥
|
45
|
Mn3+orMn4+w/% ≤
|
0.5
|
chloride(Cl-)w/% ≤
|
0.0005
|
sulfate(SO42-)w/% ≤
|
0.02
|
Undissolved substancew/% ≤
|
0.01
|
(Al)w/% ≤
|
0.005
|
(K)w/% ≤
|
0.001
|
(Na)w/% ≤
|
0.03
|
(Fe)w/% ≤
|
0.005
|
(Ca)w/% ≤
|
0.03
|
(Mg)w/% ≤
|
0.001
|
(Cu)w/% ≤
|
0.005
|
(Zn)w/% ≤
|
0.0005
|
(Co)w/% ≤
|
0.0005
|
(Ni)w/% ≤
|
0.005
|
(Cd)w/% ≤
|
0.0005
|
(Pb)w/% ≤
|
0.005
|
Once grain size nm ≤
|
20
|