FOB Price
أحصل على آخر سعر( Negotiable )
|Minimum Order
Place of Origin:
China
Price for Minimum Order:
-
Minimum Order Quantity:
25 Kilogram
Packaging Detail:
25kg/drum
Delivery Time:
7days
Supplying Ability:
15 Ton per Month
Payment Type:
T/T, L/C, D/A, D/P, Western Union, Money Gram, PayPal, Other
الشخص الذي يمكن الاتصال به Ms. Evelyn
Rm 2405, Unit 1, Buiding 1, Taiyin Tower jianghan Econmic Development Zone, Wuhan, Hubei
test items | specifications | results | |||
appearance | white crystals or crystalline powder | conforms | |||
specific rotation | **1.3 o ~ + *7.0 o | **3.0 o | |||
state of solution (transmittance) |
clear & colorless e*8.0% |
*9.3% | |||
chloride(cl) | d0.*4% | <0.*4% | |||
ammonium(nh 4 ) | d0.*2% | <0.*2% | |||
sulfate(so 4 ) | d0.*3% | <0.*2% | |||
iron (fe) | d*0ppm | <5ppm | |||
heavy metals (pb) | d*0ppm | <*0ppm | |||
arsenic (as) | d1ppm | <1ppm | |||
other amino acids | chromatographically not detectable | not detected | |||
loss on drying | d0.*0% | 0.*0% | |||
residue on ignition | d0.*0% | 0.*4% | |||
melting range | **6~**0 o c | **7~**9 o c | |||
assay | *8.5~**1.0% | **0.1% | |||
ph | 2.0 ~ 2.8 | 2.3 |
2. N-acetyl-cysteine has been used as a liver protectant and to break up pulmonary and bronchial mucus.
3. N-acetyl-cysteine can boost glutothione levels in cells.