Testing Item
|
Standard
|
Result
|
||
Appearance
|
White Powder
|
conforms
|
||
NaHCO3(content)/%
|
99.0~100.5
|
99.6
|
||
Loss On Dry/%
|
≤0.20
|
0.18
|
||
PH/%
|
≤8.5
|
8.4
|
||
Arsenic(As)/%
|
≤0.0001
|
0.00007
|
||
Heavy metal(Pb)/%
|
≤0.0005
|
0.0003
|
||
Chloride(Cl)/%
|
≤0.40
|
≤0.02
|
||
Whiteness/%
|
≥85
|
conforms
|
||
Note: When a user with special requirements for fineness, negotiated by the supply and demand sides
|
|
|