USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
USD $6.00-9.00 / Gram
USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
items
|
specifications
|
analysis results
|
appearance | white or yellowish-white powder |
white powder
|
solubility |
very slightly soluble in water, slightly soluble in alcohol
|
conform
|
identification (ir) |
complies with reference spectrum
|
conform
|
solution | not more intensely colored than reference by7 |
conform
|
single impurity | ≤0.1% |
<0.1%
|
total impurities | ≤ 0.2% |
<0.2%
|
heavy metals | ≤ 20 ppm |
< 20 ppm
|
loss on drying | ≤ 1.0% |
0.3%
|
sulphated ash | ≤ 0.1% |
0.02%
|
impurity k | ≤ 5 ppm |
conform
|
assay | 98.5% ~ 101.0% |
99.9%
|
conclusion | complies with the requirements of bp2002/ ep6 |