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Certificate of analysis
No.:000408
Product name		Tech. grade borax 95%		Quantity	200MT
Date of manufacture		Mar.10-13, 2010		Report date	Mar.15,2010
Inspection standard		DZG93-08		Lot number	0100308
Parameters				Index value	Measured value
NaB4O7.10H2O%>=				95	95.2
CO3%<=				0.2	0.15
water insouble matter%<=				0.04	0.02
SO4%<=				0.2	0.065*10-2
Cl%<=				0.05	0.04*10-2
Fe%<=				0.005	14.25*10-6
Remark
Result：this lot conform with DZG93-08 tech. Grade standard