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Norm

ISO 8112:1984

Ausgabedatum: 1984 11 01

Caprolactam for industrial use — Determination of colour of 50 % aqueous caprolactam solution, expressed in Hazen units (platinum-cobalt scale) — Spectrometric method

The absorbance of a 50 % aqueous caprolactam solution is spectrometrically measured at a wavelength of 390 nm and an optical path length of 50 mm. The result is expressed...
Weiterlesen
ZURÜCKGEZOGEN : 2023 07 18
Herausgeber:
International Organization for Standardization
Format:
Digital | 2 Seiten
Sprache:
Englisch
Aktuell Gültig:

The absorbance of a 50 % aqueous caprolactam solution is spectrometrically measured at a wavelength of 390 nm and an optical path length of 50 mm. The result is expressed in Hazen units by multiplying the absorbance measured by a constant factor equal to 150. This factor is derived from measurements of absorbance of diluted standard solutions of platinum-cobalt scale.

ISO 8112:2023
2023 07 17
Caprolactam for industrial use — Determination of colour of 50 % aqueous caprolactam solution, expre...
Norm
ISO 8112:1984
1984 11 01
Caprolactam for industrial use — Determination of colour of 50 % aqueous caprolactam solution, expre...
Norm
Norm
ISO 8112:2023
Ausgabedatum : 2023 07 17
Caprolactam for industrial use — Determination of colour of 50 % aqueous caprolactam solution, expressed in Hazen units (platinum-cobalt scale) — Spectrometric method