Model: | 167228 |
---|---|
Brand: | seebio |
Origin: | Made In China |
Category: | Chemicals / Pharmaceutical Chemicals |
Label: | buffers , PEG3350 , PEG4000 |
Price: |
US $1
/ pc
|
Min. Order: | 1 pc |
Last Online:18 Dec, 2019 |
|
CERTIFICATE OF QUALITY
Product: |
PEG 3350 Polyethylene glycol 3350 |
Grade: |
High Purity Grade |
Lot: |
OG2103A |
Code: |
167228 |
CAS-No: |
[25322-68-3] |
Mol. Formula: |
HO(C2H4O)nH |
Mol. Weight: |
~3350 |
Packing: |
25Kg/Drum |
Item Specifications Results
Purity |
≥99.0% |
99.2% |
pH value (100g/l, H2O, 20℃) |
4.0~7.0 |
5.5 |
Water [KF] |
≤1.0% |
0.5% |
Frdd ethylene oxide |
≤1ppm |
<1ppm |
Arsenical |
≤3ppm |
<3ppm |
Heavy Metals (Pb) |
≤5ppm |
<5ppm |