离岸价格
获取最新报价( Negotiable )
|Minimum Order
位置:
Shandong,China
最小订单价格:
-
最小订单:
1 Kilogram
包装细节:
25kgs/drum
交货时间:
imediately
供应能力:
15 Metric Ton per Month
付款方式:
T/T, L/C, D/P, Western Union, Money Gram, PayPal, Other
联系人 Nancy
Jinan, Shandong
| Item | Specification |
| Appearance | White or almost white crystals,having almost no odor |
|
Identification |
(1) Triturate sample with an equal amount of camphor; the mixture liquefles. (2) Dissolve a small sample in 1ml of glacial acetic acid, add 6 drops of sulfuric acid and 1 drop of nitric acid; a red-brown color develops. (3) To 1g sample add 5ml of a solution of sodium hydroxide (1→*0) and heat on a water bath; a colorless or light yellow liquid is obtained. To this liquid add 2 to 3 drops of chloroform, while warm, and shake; a yellow-green color develops. (4) The sample solution exhibits a maximum absorbance at the wavelength at **9+2 nm. |
| Melting point | **0~**3℃ |
|
Purity |
(1) Clarity of solution dissolve 3.0g sample in *0ml of ethanol; the solution is clear. (2) Organic impurities: TLC (3) Heavy metals(Pb)≤*0ppm (4) Arsenic≤2ppm |
| Assay by HPLC | ≥*9.0% |
| Conclusion | The product meets the Enterprise Standard |
