GB/T 13255.7-2009
Test methods of caprolactam for industrial use.Part 7:Determination of iron content (English Version)
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GB/T 13255.7-2009
Standard No.
GB/T 13255.7-2009
Language
Chinese,
Available in English version
Release Date
2009
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 13255.7-2009
Replace
GB/T 13255.7-1991
Scope
This part of GB/T 13255 specifies the thiocyanate spectrophotometric method for the determination of iron content in caprolactam for industrial use.
GB/T 13255.7-2009 Referenced Document
GB/T 602-2002
Chemical reagent--Preparations of standard solutions for impurity
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 13255.7-2009 history
2009
GB/T 13255.7-2009
Test methods of caprolactam for industrial use.Part 7:Determination of iron content
1991
GB/T 13255.7-1991
Caprolactam for industrial use--Determination of iron content
GB/T 13255.7-2009 -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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