GB/T 13255.5-1991
Caprolactam for industrial use--Determination of absorbance at a wavelength of 290nm (English Version)
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GB/T 13255.5-1991
Standard No.
GB/T 13255.5-1991
Language
Chinese,
Available in English version
Release Date
1991
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status
Be replaced
2010-01
Replace By
GB/T 13255.5-2009
Latest
GB/T 13255.5-2009
Scope
This standard specifies the spectrophotometric method for the determination of the absorbance of industrial caprolactam at a wavelength of 290 mm.
GB/T 13255.5-1991 history
2009
GB/T 13255.5-2009
Test methods of caprolactam for industrial use-Part 5:Determination of absorbance at a wavelength of 290 nm
1991
GB/T 13255.5-1991
Caprolactam for industrial use--Determination of absorbance at a wavelength of 290nm
GB/T 13255.5-1991 -All Parts
GB/T 13255.1-2009 Test methods of caprolactam for industrial use.Part 1:Determination of colourity of 50% aqueous caprolactam solution.Spectrometric method
GB/T 13255.2-2009 Test methods of caprolactam for industrial use.Part 2:Determination of crystallizing point
GB/T 13255.3-2009 Test methods of caprolactam for industrial use.Part 3:Determination of permanganate absorption number.Spectrometric method
GB/T 13255.4-2009 Test methods of caprolactam for industrial use.Part 4:Determination of volatile bases content.Titrimetric method after distillation
GB/T 13255.5-2009 Test methods of caprolactam for industrial use-Part 5:Determination of absorbance at a wavelength of 290 nm
GB/T 13255.6-2009 Test methods of caprolactam for industrial use.Part 6:Determination of acidity or alkalinity
GB/T 13255.7-2009 Test methods of caprolactam for industrial use.Part 7:Determination of iron content
GB/T 13255.8-2009 Test methods of caprolactam for industrial use.Part 8:Determination of cyclohexanone oxime content
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