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Category:Fine Chemicals > Reagent
Product Name:2.5L UHPLC Methanol
CAS No.:67-56-1
Standard:In-house Standards
Price(USD):Negotiable
Company:Concord Technology (Tianjin) Co,.Ltd
Grade: UHPLC
Factory Location: Tianjin,China
Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa
Sample Provided: yes
Payment Terms: T/T
Test Items |
Units |
Specifications |
Assay CH3OH(GC) |
% |
≥99.99 |
Density(20℃) |
g/mL |
0.791~0.793 |
Solubility with H2O |
|
Pass test |
Residue on evaporation |
% |
≤0.0001 |
Water |
% |
≤0.03 |
Acidity(as H+) |
mmol/g |
≤0.0002 |
Alkalinity(as OH-) |
mmol/g |
≤0.0001 |
Absorbance at 205 nm |
Abs.Units |
≤1.0 |
Absorbance at 210 nm |
Abs.Units |
≤0.60 |
Absorbance at 220 nm |
Abs.Units |
≤0.20 |
Absorbance at 230 nm |
Abs.Units |
≤0.10 |
Absorbance at 250 nm |
Abs.Units |
≤0.02 |
Absorbance at 400nm |
Abs.Units |
≤0.005 |
254nm Gradient Elution Test |
mAU |
≤2 |
235nm Gradient Elution Test |
mAU |
≤2 |
Fluorescence impurity at 254 nm |
ppb |
≤1.0 |
Fluorescence impurity at 365 nm |
ppb |
≤1.0 |
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