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Crystal sodium sulphide is used in producing leather,and textile.Please check the specification below:
| Index Name | Index | |
| 1 | Na2S(%) | 43.00 min |
| 2 | Na2CO3(%) | 0.1 |
| 3 | Water Insoluble(%) | 0.01 max |
| 4 | Fe(%) | 0.001 max |
| 5 | Na2SO3(%) | 0.3 max |
| 6 | Na2S2O3(%) | 0.6 max |
CERTFICATE OF ANALYSIS
| Name of product | Sodium Sulphide (Na2S.5.5H2O) |
| Inspection basis | GB/T10500-2009 |
| Packing | 25KGS PP/PE/PP BAGS |
| Date of Inspect | May .18.2012 |
| Batch NO | LCCY0613 |
| Na2S(%) | 44.2 |
| Na2CO3(%) | 0.03 |
| FE(%) | 0.0006 |
| Na2SO3(%) | 0.25 |
| Na2S2O3(%) | 0.42 |
| Water Insoluble(%) | 0.001 |
crystal sodium sulphide 43%min