tert-Butyl Methyl Ether for UV, IR, HPLC

tert-Butyl Methyl Ether for UV, IR, HPLC
Content: 2,5 LTR
Physical Description:
liquid
Quality Name: for UV, IR, HPLC
Specification: Minimum assay (G.C.): 99.9%
Density 20/4: 0.739-0.742

?maximum limit of impurities:
APHA colour: 10
Acidity: 0.0002 meq/g
Alkalinity: 0.0002 meq/g
Non-volatile matter: 0.0003 %
Water (H2O): 0.03 %
Suitability for IR spectrometry: passes test
Fluorescence at 254 nm (as quinine)? ppb
Fluorescence at 365 nm (as quinine)? ppb
UV Spectrum (1cm cell; Ref.: water):
Transmittance at 208 (Cut off) nm: =10%
Transmittance at 210 nm: =20%
Transmittance at 235 nm: =50%
Transmittance at 240 nm: =60%
Transmittance at 255 nm: =85%
Transmittance at 280-400 nm: =98%
For critical jobs, purge with nitrogen.:
Microfiltered product (0.2 µm) and bottled under nitrogen atmosphere.: