基本介紹
- 中文名:L-半胱氨酸鹽酸鹽無水物
- 分子式:C3H8NO2SCl
- 分子量:157.6191
- Cas No:52-89-1
- 用途:麵包改良劑
用途
理化指標
外觀 | 白色結晶或白色粉末狀 | ||
鑑定 | 用紅外線吸收光譜儀器測定 | ||
比旋光度 | +5.5°- +7.0° | +5.7°- +6.8° | +5.5°- +7.0° |
溶解狀況 | ≥ 98.0% | --- | ≥ 98.0% |
含氯量 | 19.89 – 20.29% | --- | 19.8 – 20.8% |
銨鹽 (NH4) | ≤ 0.02% | --- | --- |
硫酸鹽 (SO4) | ≤ 0.020% | ≤ 0.03% | ≤ 0.02% |
鐵鹽 (Fe) | ≤ 10PPm | ≤ 30PPm | ≤ 10PPm |
重金屬 (Pb) | ≤ 10PPm | ≤ 15PPm | ≤ 10PPm |
砷鹽 (As2O3) | ≤ 1PPm | --- | ≤ 1PPm |
其它胺基酸 | --- | --- | ≤ 0.5% |
乾燥失重 | 8.5 - 12.0% | 8.0 - 12.0% | 8.0 - 12.0% |
灼燒殘渣 (sulfated) | ≤ 0.10% | ≤ 0.4% | ≤ 0.1% |
含量 | 99.0-100.5% | 98.5-101.5% | ≥ 98.5% |
酸鹼度 | 1.5 - 2.0 | --- | 1.5 - 2.0 |
有機揮發物 | --- | 符合標準 | --- |