Page 331 - Catalogue 2015

Cat. No. Tetrahydrofuran (stab./BHT)
206351 AR-S glass distilled

Appearance Clear colorless liquid Cd (Cadmium) max. 0.05ppm
Acidity (as Acetic acid) max. 0.003% Co (Cobalt) max. 0.02ppm
Color (APHA) max. 10 Cr (Chromium) max. 0.02ppm
Assay (GC, on anhydrous basis) min. 99.8% Cu (Copper) max. 0.02ppm
Peroxides (as H2O2) max. 0.005% Fe (Iron) max. 0.1ppm
Residue after evaporation max. 0.0005%w/w Mg (Magnesium) max. 0.1ppm
Stabilizer (BHT) 0.02-0.03%w/w Mn (Manganese) max. 0.02ppm
Water (KF) max. 0.01%w/w Ni (Nickel) max. 0.02ppm
Al (Aluminum) max. 0.5ppm Pb (Lead) max. 0.1ppm
B (Boron) max. 0.02ppm Sn (Tin) max. 0.1ppm
Ba (Barium) max. 0.1ppm Zn (Zinc) max. 0.1ppm
Ca (Calcium) max. 0.5ppm
Residue after evaporation max. 0.002%w/w
Cat. No. Tetrahydrofuran (stab./BHT) Stabilizer (BHT) 0.02-0.03%w/w
206390 Anhydrous Water (KF) max. 0.005%w/w

Appearance Clear colorless liquid Peroxides (as H2O2) max. 0.01%
Assay (GC, on anhydrous basis) min. 99.7% Residue after evaporation max. 0.001%w/w
Peroxides (as H2O2) max. 0.01% Stabilizer (BHT) 0.02-0.03%w/w
Water (KF) max. 0.001%w/w
Cat. No. Tetrahydrofuran (stab./BHT)
206359 Supra dry Residue after evaporation max. 0.001%w/w
Stabilizer (BHT) 0.02-0.03%w/w
Appearance Clear colorless liquid Water (KF) max. 0.01%w/w
Acidity (as Acetic acid) max. 0.003%
Color (APHA) max. 10 Residue after evaporation max. 0.001%w/w
Assay (GC, on anhydrous basis) min. 99.8% Stabilizer (BHT) 0.02-0.03%w/w
Water (KF) max. 0.005%w/w
Cat. No. Tetrahydrofuran (stab./BHT)
206347 Extra dry Stabilizer (BHT) 0.02-0.03%w/w
Water (KF) max. 0.01%w/w
Appearance Clear colorless liquid Fe (Iron) max. 0.1ppm
Acidity (as Acetic acid) max. 0.003% Mg (Magnesium) max. 0.1ppm
Assay (GC, on anhydrous basis) min. 99.8% Pb (Lead) max. 0.1ppm
Peroxides (as H2O2) max. 0.01% Zn (Zinc) max. 0.1ppm

Cat. No. Tetrahydrofuran (stab./BHT) Residue after evaporation max. 0.005%w/w
206353 Extra dry / M. sieves Stabilizer (BHT) 0.02-0.03%w/w
Water (KF) max. 0.1%w/w
Acidity (as Acetic acid) max. 0.003%
Assay (GC, on anhydrous basis) min. 99.8%
Peroxides (as H2O2) max. 0.01%

Cat. No. Tetrahydrofuran (stab./BHT)
206333 Peptide synthesis

Appearance Clear colorless liquid
Acidity (as Acetic acid) max. 0.002%
Free Amines (Kaiser) max. 0.0002%
Assay (GC, on anhydrous basis) min. 99.9%
Peroxides (as H2O2) max. 0.005%
Residue after evaporation max. 0.0005%w/w

Cat. No. Tetrahydrofuran (stab./BHT)
206302 CP

Appearance Clear colorless liquid
Color (APHA) max. 15
Assay (GC, on anhydrous basis) min. 99%
Peroxides (as H2O2) max. 0.01%