2.5L LC-MS grade Methanol

Name: 2.5L LC-MS grade Methanol
Availability: 2-5l-lc-ms-grade-methanol-305265.html

Category:Fine Chemicals > Reagent
Product Name:2.5L LC-MS grade Methanol
CAS No.:67-56-1
Standard:In-house Standards
Price(USD):Negotiable
Company:Concord Technology (Tianjin) Co.,Ltd

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Basic Info

Grade: LC-MS

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	%	≤0.01
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	≤0.45
Absorbance at 220 nm	Abs.Units	≤0.20
Absorbance at 230 nm	Abs.Units	≤0.10
Absorbance at 260 nm	Abs.Units	≤0.01
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	≤0.5
LC-MS(ESI+) as reserpine	ppb	≤50
LC-MS(ESI-) as 4-nitrophrnol	ppb	≤50
(K、Ag、Ba、Cd、Co、Cr、Cu、Mn、Ni、Pb、Sn)	ppb	≤5
Al、Ca、Mg、Fe	ppb	≤10
Na	ppb	≤100

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