$nsbp	Specifications	Results
Description	white oryellow crystalline powder	meets the requirements
Identification	meets the requirements	meets the requirements
Loss on drying	2. 0%max	0. 8%max
Heavy metals	0. 002%max	0. 002%max
Sulphate	0. 05%max	0. 05%max
Reducing substances	0. 5%max	0. 3%max
Assay	98. 0%min	98. 35%
Conclusion Complies with requirements of Tech grade.