Methanol, for HPLC, Gradient Grade, ACS

Code: 65727-1000L N1-1

for HPLC, Gradient Grade, ACS

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Appearance:	complying
Assay (GC):	min. 99.95 %
Non-volatile matter:	max. 0.0001 %
Density (D 20/4):	0.7900 - 0.7925
Refractive index (n 20/D):	1.328 - 1.330
Water (Karl Fischer):	max. 0.02 %
Acidity:	max. 0.0002 meq/g
Alkalinity:	max. 0.0002 meq/g
Heavy metals (as Pb):	max. 2 ppm
Acetaldehyde:	max. 0.001 %
Acetone (GC):	max. 0.001 %
Formaldehyde:	max. 0.001 %
KMnO₄ reducing matter:	complying
Reaction against H₂SO₄:	complying
Mixable with H₂O:	complying
Transmittance at 210 nm:	min. 33 %
Transmittance at 220 nm:	min. 60 %
Transmittance at 235 nm:	min. 85 %
Transmittance from 260 nm:	min. 98 %
Absorbance:	complying
HPLC Gradient at 230 nm:	max. 2 mAU
HPLC Gradient at 254 nm:	max. 2 mAU
Fluorescence (chinin) at 254 nm:	max. 1 ppb
Fluorescence (chinin) at 365 nm:	max. 1 ppb
APHA:	max. 10
Suitability for residue analysis:	max. 3 ng/l