Ms.Linda Song
Mobile: +86-13299945560
Tel: +86-22-26733470
Fax: +86-22-26733471
lindasong@tjconcord.com.cn
QQ: 1569736844
Skype: tjconcord
Formula:CH3OH
Grade: HPLC Gradient Grade
Model:1L Glass Bottle
Item Number:8001GG1000
Price:
1L HPLC Gradient Grade Methanol
CAS.No: 67-56-1
Molecular formula: CH3OH
Molecular weight: 32.04.
Density(20): 0.792g/ml.
Refractive Index: 1.3288
|
|
TEST ITEMS |
SPECIFICATION |
|
|
1 |
Assay (GC) , ω / % |
≥99.9 |
|
|
2 |
Density(20℃) , ρ / (g/mL) |
0.791~0.793 |
|
|
3 |
Residue on evaporation,ω / % |
≤0.0005 |
|
|
4 |
Water (H2O),ω / % |
≤0.05 |
|
|
5 |
Solubility with H2O |
Pass test |
|
|
6 |
Titrable Acid(H+) / (mmol/g) |
≤0.0004 |
|
|
7 |
Titrable Base(OH-) / (mmol/g) |
≤0.00008 |
|
|
8 |
UV Absorbance (1cm cell vs. water) |
205 nm |
≤1.00 |
|
210 nm |
≤0.60 |
||
|
220 nm |
≤0.30 |
||
|
230 nm |
≤0.15 |
||
|
240 nm |
≤0.05 |
||
|
254 nm |
≤0.01 |
||
|
260 nm |
≤0.01 |
||
|
9 |
Gradient Elution Test at 254nm(AU) |
≤0.005 |
|
Skype 