Моногидрат лимонной кислоты Colorcom лимонная кислота
US $1.00-$1.70
Сохранить в закладки:
ITEM | SPECIFICATION | RESULT |
Identification | Meets the requirement | Confirm |
Appearance | White crystals | White crystals |
Assay(C5H10O5) | 98.0~101.0% | 99.31% |
Other saccharide | 2.0% max | 0.69% |
Moisture | 1.0% max | 0.10% |
Residue on ignition | 0.05% max | 0.03% |
Specific optical rotation (1g/25ml,water) | +17.0-+20.0o | +19.1o |
Ph in aqueous solution | 3.0~6.0 | 4.42 |
Heavy Metals (as Pb) | 0.001%max | Pass |
Arsenic (as As2O3) | 0.0002%max | Pass |
Iron (as Fe) | 0.0005%max | pass |
Sulfate | 50ppm max | pass |
Transmittance (2.0g/10ml,in water) | 95.0% min | 96.9% |
Total acrobic bactoria,CFU/g | 1000max | 60 |
Coliform ,CFU/g | absent | absent |
Yeast & Mold,CFU/g | 100max | 10max |