USD $10.00-100.00 / Kilogram
USD $11,000.00-12,000.00 / Metric Ton
USD $11,000.00-12,000.00 / Metric Ton
USD $11,000.00-12,000.00 / Metric Ton
USD $11,000.00-12,000.00 / Metric Ton
USD $10.00-10.00 / Kilogram
specification |
standard |
test result |
assay (drying basis) | 98.0%~102.0% | 99.85% |
identification | a. infrared absorption b: it meets the requirements of the tests for chloride. c: the retention time in the assay corresponds to the standard | conform |
residue solvents | meet requirement | 400ppm |
(specification rotation) | 50.0°- 52.0° | 51.32° |
(glucosamine sulfate) | 71.6%~79.1% | 75.2% |
(transmittance) | ≥90% | 91.2% |
(potassium) | 11.7%~13.0% | 12.65% |
ph ph value(2%.25°) | 3.0~5.0 | 4.3 |
loss on drying | ≤1.0% | 0.06% |
residue on ignition | 27%~29% | 27.84% |
organic volatile impurities | meet requirement | conform |
sulfate | 15.5-16.5% | 15.63% |
sodium | 50ppm max | conform |
chloride | 11.8%~14% | 11.85% |
heavy metal | ≤0.001% | <0.001% |
lead | ≤0.5ppm | <0.5ppm |
cadmium | ≤1ppm | <0.5ppm |
mercury | ≤0.1ppm | <0.1ppm |
arsenic | ≤3ppm | <3ppm |
mesh size | 20 mesh | conform |
bulk density | ≥0.7g/ml | 0.75g/ml |
microbial limits | ||
total aerobic microbial count | ≤500cfu/g | pass |
yeast mold | ≤100cfu/g | pass |
e-coli | negative | pass |
salmonella | negative | pass |
distinction | food grade | |
appearance | crystalline white powder, | |
storage condition | keep container closed when not in use store in a cool, dry, well-ventilated area away from incompatible substances. under 30 centigrade. | |
shelf life | 2 years | |
conclusion | conform to usp 32 requirements |