4L LC-MS Methanol

Produce Code: FT1.01011.4000

CAS No.: 67-56-1

Molecular Weight: 32.042

Molecular Formula: CH3OH

Grade: LC-MS

Description

4L LC-MS Methanol / Advantages of products

Very low gradient peak (<1.0 mAU at 235 nm), little interference to the gradient analysis of micro and trace levels, simplified analysis process and improved reliability of the analysis results.
Low metal ions content (<10 ppb), less interference to metal ion sensitive samples, trace samples or unknown samples, which is beneficial to improve the accuracy analysis.
Low content of organic impurities can meet the analysis requirements of highly sensitive LC-MS/MS, Q-TOF-LCMS.
Strict quality control. Each batch of products has been double validated and analyzed by LC-MS/MS, Q-TOF-LCMS to ensure that the quality of products meet the requirements.
Low content of sulphide.
No filtering before use.

Technical Analysis Indicators

Characteristics		Standard Specifications
Assay (on anhydrous substance)		Min.99.9%
Solution (100g/l)		Neutral
Acidity		Max. 0.0002 mmol/g
Alkalinity		Max. 0.0002 mmol/g
Boiling point		65–>65℃
Coloration		Max. 10 APHA
Density (20/20)		0.791 –> 0.793
n 20/D		1.343 –> 1.345
Evaporation residue		Max. 1 ppm
Water		Max. 100 ppm
Al (Aluminum)		Max.10 ppb
Ca (Calcium)		Max.10 ppb
Fe (Iron)		Max.10 ppb
K (Potassium)		Max.5 ppb
Mg (Magnesium)		Max.10 ppb
Na (Sodium)		Max.100 ppb
Transmittance	(210 nm)	Min. 96%
	(220 nm)	Min. 97%
	(230 nm)	Min. 99%
	> (260 nm)	Min. 99%
Fluorescence (as quinine) at 254		Max.1 ppb
Fluorescence (as quinine) at 365		Max.0.5 ppb
Gradient (210 nm) (220 nm)		Max. 2.0 mAU
Gradient (254 nm) (235 nm)		Max. 1.0 mAU
MS-ESI+ (as Reserpine)		Max.2 ppb
MS-APCI+ (as Reserpine)		Max.2 ppb
MS-ESI- (as 4-Nitrophenol)		Max.20 ppb
MS-APCI- (as 4-Nitrophenol)		Max.20 ppb
Conforms to Ch.P.		Passes test
Conforms to Reag.Ph.Eur .		Passes test
Conforms to ACS		Passes test