USD $6.00-10.00 / Kilogram
USD $70.00-90.00 / Kilogram
USD $70.00-90.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $6.00-9.00 / Gram
USD $1.00-10.00 / Kilogram
USD $100.00-150.00 / Kilogram
USD $100.00-150.00 / Kilogram
USD $3.00-10.00 / Kilogram
specification | |
model | q/whds 0204-2013 |
appearance | white crystalline powder, odorless, soluble with water |
grade | analytical reagent |
molecular weight | 442.56 |
main content | ≥99.4% |
ph | 7.5 |
water insoluble matters | 0.004 |
chlaride (cl) | 0.005 |
total nitrogen (n) | 0.001 |
sulfate (so4) | 0.02 |
phosphide (po4) | 0.002 |
iron (fe) | 0.001 |
heavy metal (as pb) | 0.001 |
clearness index test | pass test |