Page 297 - Catalogue 2015
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Cat. No.      Pyridine
162503        Meets EP/BP spec.

Appearance                      Clear liquid                    Fe (Iron)             max. 0.1ppm
Assay (GC, on anhydrous basis)  min. 99.7%                      Ir (Iridium)          max. 0.1ppm
Color (APHA)                    max. 15                         Mn (Manganese)        max. 0.02ppm
Alkalinity (as Ammonia)         max. 0.001%                     Mo (Molybdenum)       max. 0.1ppm
2-Picoline                      max. 0.2%                       Ni (Nickel)           max. 0.02ppm
Piperidine                      max. 0.01%                      Os (Osmium)           max. 0.1ppm
Chloride (Cl)                   max. 0.0005%                    Pd (Palladium)        max. 0.1ppm
Sulfate (SO4)                   max. 0.0005%                    Pt (Platinum)         max. 0.1ppm
Reducing substances (as O)      max. 0.001%                     Rh (Rhodium)          max. 0.1ppm
Residue after evaporation       max. 0.002%w/w                  Ru (Ruthenium)        max. 0.1ppm
Water (KF)                      max. 0.1%w/w                    V (Vanadium)          max. 0.1ppm
Cr (Chromium)                   max. 0.05ppm                    Zn (Zinc)             max. 0.1ppm
Cu (Copper)                     max. 0.1ppm
                                                                                      Passes test
Cat. No.      Pyridine                                                                max. 0.005%w/w
 162548       HYDROQUANT for Karl Fischer analysis
                                                                                      Passes test
Application:      Neutralizing base for strong acidic samples.                        max. 0.01%w/w

Assay (GC, on anhydrous basis)  min. 99.8%                                            max. 0.02%w/w
Residue after evaporation       max. 0.001%w/w                                        max. 0.1ppm
Alkalinity (as Ammonia)         max. 0.005%                                           max. 0.1ppm
Water (KF)                      max. 0.01%w/w                                         max. 0.1ppm
                                                                                      max. 0.1ppm
Cat. No.      Pyridine
162559        Supra dry

Color (APHA)                    max. 10                         Subs. reducing KMnO4
Assay (GC, on anhydrous basis)  min. 99.8%                      Water (KF)
Residue after evaporation       max. 0.001%w/w

Cat. No.      Pyridine
162547        Extra dry

Color (APHA)                    max. 10                         Subs. reducing KMnO4
Assay (GC, on anhydrous basis)  min. 99.8%                      Water (KF)
Residue after evaporation       max. 0.001%w/w

Cat. No.      Pyridine
162533        Peptide synthesis

Appearance                      Clear colorless liquid          Water (KF)
Acidity (as Acetic acid)        max. 0.002%                     Fe (Iron)
Free Amines (Kaiser)            max. 0.001%                     Mg (Magnesium)
Assay (GC, on anhydrous basis)  min. 99.8%                      Pb (Lead)
Residue after evaporation       max. 0.001%w/w                  Zn (Zinc)
Reducing substances (as O)      max. 0.001%

Cat. No.      Pyridine
162502        CP

Assay (GC, on anhydrous basis)  min. 99%
Residue after evaporation       max. 0.005%w/w
Water (KF)                      max. 0.2%w/w
Appearance                      Clear liquid
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