L-Cysteine Hcl Monohydrate

Description:
1.specific rotation: +5.5 to 7.0
2. transmittance: no less than 98%
3. Chlorine: 19.89% to 20.29%
4. Ammonia: no more than 0.020%
5. Sulphate: no more than 0.020%
6. Iron:no more than 10ppm
7. Heavy Metal: no more than  10ppm
8. Arsenic: no more than 1ppm
9. Other amino acids: can't be detected( HPLC)
10. Loss on drying: 8.5% to 12%
11. Residue on ignition:  no more than 0.10%
12. Assay: 99.0% to 100.5%
13.. PH: 1.5 to 2.0

Price Terms :	FOB