Chengdu Wonho Biology Engineering Co.,Ltd
[China]

Address:
Liuhe Road 335#, Wenjiang, Chengdu, P.R. China Chengdu Sichuan 611130 China

Phone:
86-134-38800974

Contact name:
Jarry Chen , seller

Chengdu Wonho Biology Engineering Co.,Ltd

Origin

China

Item	Specification	Results
Appearance	Pale greenish yellow powder	Pale greenish yellow powder
Assayï¼ÂÂ% min	99.0%	99.7%
Melting Pointï¼ÂÂâÂÂÂÂ	62.0-65.0	63.1-63.5
Loss on Drying% max	0.2	0.15
Burnt Residue% max	0.10	0.02
Chloridesï¼ÂÂas Clï¼ÂÂï¼ÂÂ% max	0.005	max 0.005
Heavy Metalsï¼ÂÂas Pbï¼ÂÂï¼ÂÂ max	5ppm	conform
Gardner Color max	4.0	1.6
Speicific Extinction 1%, 1cm	E₂₈₈≥630	641
Speicific Extinction 1%, 1cm	E₃₂₆≤410	421
Conclusion	up to grade