Product
Certificate of Analysis
Product name:Sodium Thiosulfate
Batch Number: TXSCLS20140420A
Production Date (DD/MM/YY):20/04/2015
Batch size:1000KG
Shelf lifetime:24 months
Package:25 KG/bag
Testing Items |
Reference Data |
Conclusion |
Appearance |
Colorless or light yellowish transparent monoclinic system crystal |
Conforms |
Na2S2O3content % ≥ |
98 |
99.1 |
pH Value |
6.5-9.5 |
7.0 |
Melting point |
40-45℃ |
40-45℃ |
Iron(Fe) |
0.003 |
0.002 |
Sulfide |
0.003 |
0.001 |
Water-insoluble matter |
0.03 |
0.01 |
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