?Product No.?:SGP-B-08
?CAS No.?:52-90-4
?Structural Formula? :C6H10N2Na2O4S2
?Molecular weight?:284.26
?Description? :White crystals or crystalline powder, Having a strong acid taste, could be dissolved in water.
?Packing? :25KG/ Paper drum
CERTIFICATE OF ANALYSIS
|
Test items |
Standard (AJI92) |
Result |
|
State of solution(transmittance) |
Mix 95.0% |
99.0% |
|
Specific rotation [a]D20 |
+8.3 º to+9.5 º |
+8.8 º |
|
Assay |
98.0 to 101.0% |
100.0% |
|
PH |
4.5 to 5.5 |
5.1 |
|
Heavy metals(Pb) |
Max 10 PPM |
<5 PPM |
|
Loss on drying |
Max 0.50% |
0.2% |
|
Iron (Fe) |
Max 10 PPM |
<5 PPM |
|
Residue on ignition(sulfated) |
Max 0.10% |
0.06% |
|
Chloride(CL) |
Max 0.04% |
0.02% |
|
Sulfate(SO4) |
Max 0.03% |
0.02% |
|
Other amino acids |
Chromatographically not detectable |
Conforms |
|
Arsenic(As2O3) |
Max 1.0 PPM |
<1 PPM |
|
Ammonium(NH4)
|
Max 0.02% |
< 0.02% |
Conclusion: The products conform to the AJI92 standard.
