VITAMIN B12 FOR BIOCHEMISTRY 100 MG

Analysis Note

Assay (photometric, calculated on dried substance)97.0 - 100.0 %Identity (IR-spectrum)conformsAbsorption ratio (A 361 nm/278 nm)1.70 - 1.88Absorption ratio (A 361 nm/550 nm)3.15 - 3.40Absorption ratio (A 351 nm/361 nm)0.57 - 0.65Acetone (HS-GC)≤ 5000 ppmOther residual solvents (ICH Q3C)excluded by production processRelated substances (HPLC)≤ 3.0 %Loss on Drying (105 °C)≤ 4.0 %

Application

Vitamin B₁₂ for biochemistry. CAS 68-19-9, pH 6.0 (1 g/l, H₂O, 20 °C).

General description

for biochemistry

Packaging

100 mg in Glass bottle

1 g in Glass bottle