USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
superiority :
1.iso certificate
2..powerful r & d team
3.the ability of quantized production,from grams to tons;
4.various kinds of advanced equipment in the laboratory and plant;
5.strict qc standard to meet the demand of customers,advanced equipment for analysis and a ssay;
6.efficient and safe logistic plans for chemical products transportation;
7.excellent after-sale service.
8. highest quality and good package
item |
specification |
appearance |
white crystalline powder |
assay |
99% min. |
loss on drying |
0.5% max. |
melting point |
128-132℃ |
specific optical rotation |
-15.5º- -17.5º |
residue on ignition |
0.1% max. |
heavy metals |
10ppm max. |
clarity of solution |
clear and colorless |
uv absorbance |
0.03 max. |
readily carbonizable substance |
not deeper than orange-red no. 2 |
nickel |
5ppm max. |