USD $5.00-10.00 / Gram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
test item |
specifiction |
result |
description |
almost white to faint yellow crystalline powder |
almost white to faint yellow crystalline powder |
identification |
the retention time of the major peak of test solution corr in the chromatogram corresponds to that in the chromatogram of the standard solution |
comply |
related substances |
≦0.5% |
0.3% |
water |
≦1.0% |
0.6% |
sulphated ash |
≦0.1% |
0.06% |
heavy metals |
≦15ppm |
<15ppm |
assay |
99%-101.0% |
99.3% |