China Vitamin B1 Feed/Food Grade Thiamine Hydrochloride, Find details about China Thiamine Nitrate, Vitamin B1 from Vitamin B1 Feed/Food Grade Thiamine Hydrochloride
Manufacturing date | Apr 27 , 2020 | Reporting date | May 3 , 2020 |
Retest date | Apr 26 , 2023 | Articl No. | 07103 |
Package | 25kg per drum | package size | 410*550(mm) |
Ref. pharmacopoeia(s) | BP2018, USP42 | Quantity | 500kg |
Test Item | Specification | Result | |
BP2018 | appearance | white or almost white, crystalline powder or colourless crystals | white crystalline powder |
PH | 2.7~3.3 | 3.0 | |
Water | ≤5.0% | 3.38% | |
sulphated ash | ≤0.1% | 0.02% | |
sulphates | ≤300ppm | <300ppm | |
heavy metals | ≤20ppm | <20ppm | |
Assay(on anhydrous basis) | 98.5%~101.0% | 99.5% | |
USP42 | identification | A:IR absorption;B:test of chloride. | comply |
absorbance of solution | ≤0.025 | 0.016 | |
limit of nitrate | no brown ring produced at the junction of the two layers | comply | |
ph | 2.7~3.4 | 3.2 | |
water | ≤5.0% | 3.38% | |
≤0.2% | 0.02% | ||
≤1.0% | 0.06% | ||
Assay(on anhydrous basis) | 98.0%~102.0% | 99.7% |