| Place of Origin: China | Brand Name: N/A | ||||||||||||||
| Model No: N/A | |||||||||||||||
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Appearance: white or brown powder, tastless or special smell, water-dissolving, not dissolving to ethanol or ethyl oxide. Specification: Content of nitrogen : 98. 5% Specific rotation: :+18. 0-+21. 4 Loss on drying(max)1. 0% Ammonium salt(max)0. 04% PH: 5. 0-6. 0 Heavy metal(pb): (max)0. 003% Arsenic(As)(max)0. 0002% Storage: Store in shade, shelter from dampness or rain
