GB/T 13255.3-2009 Test methods of caprolactam for industrial use.Part 3:Determination of permanganate absorption number.Spectrometric method (English Version)
This part of GB/T 13255 specifies the spectrophotometric determination of the potassium permanganate absorption number (PAN) of industrial caprolactam.
GB/T 13255.3-2009 Referenced Document
GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions
GB/T 603-2002 Chemical reagent--Preparations of reagent solutions for use in test methods
GB/T 6682-2008 Water for analytical laboratory use.Specification and test methods
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 13255.3-2009 history
2009GB/T 13255.3-2009 Test methods of caprolactam for industrial use.Part 3:Determination of permanganate absorption number.Spectrometric method
1991GB/T 13255.3-1991 Caprolactam for industrial use--Determination of permanganate absorbance--Spectrometric method