GB/T 13255.4-1991
Caprolactam for industrial use--Determination of volatile bases content--Tithimetric method after distillation (English Version)
- Standard No.
- GB/T 13255.4-1991
- 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
- 2010-01
- Replace By
- GB/T 13255.4-2009
- Latest
- GB/T 13255.4-2009
- Scope
- This standard specifies the determination of volatile alkali content in industrial caprolactam by titration after distillation.
GB/T 13255.4-1991 history
- 2009 GB/T 13255.4-2009 Test methods of caprolactam for industrial use.Part 4:Determination of volatile bases content.Titrimetric method after distillation
- 1991 GB/T 13255.4-1991 Caprolactam for industrial use--Determination of volatile bases content--Tithimetric method after distillation
GB/T 13255.4-1991 -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