Hóa chất Lactose monohydrate cho hóa sinh Merck 1076600250 (C₁₂H₂₂O₁₁ * H₂O, chai nhựa 250g) DEEP52 https://yeuhangduc.vn/
Mô tả
CAS #: 10039-26-6
EC number: 200-559-2
Hill Formula: C₁₂H₂₂O₁₁ * H₂O
Molar Mass: 360.32 g/mol
Appearance: White or almost white, fine powder.
Identity (IR): passes test
Identity (TLC): passes test
Identity (water): passes test
Appearance of solution: passes test
Acidity or alkalinity: passes test
Spec. rotation (α 20/D; 10 %; water; calc. on anhydrous substance): +54.4 - +55.9 °
Heavy metals (as Pb): ≤ 5 ppm
Proteins and UV-absorbing impurities: passes test
Sulfated ash: ≤ 0.1 %
Loss on drying (80 °C, 2 h): ≤ 0.5 %
Residual solvents (ICH Q3C): excluded by the production process
Water: 4.5 - 5.5 %
Microbiological purity (Total aerobic microbial count (TAMC)): ≤ 200 CFU/g
Microbiological purity (Total yeast and mould count (TYMC)): ≤ 100 CFU/g
Escherichia coli (absent in 1 g): passes test
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