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B51-14 (R2019) – Boiler, pressure vessel, and pressure piping code

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ISO 3091:1975

ISO 3091:1975 Meat and meat products – Determination of nitrate content (Reference method)

CDN $85.00

SKU: 04049f3bea72 Category:

Description

The method consists in extracting of a test portion with hot water, precipitating of proteins and filtrating. Reduction of the extracted nitrates into nitrites by metallic cadmium. Formation of a red colouration by adding of sulfanilamide and nphthyl ethylenediamine hydrochloride and photometric measurement at a wavelength of 538 nm.

Edition

1

Published Date

1975-09-01

Status

PUBLISHED

Pages

5

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

The method consists in extracting of a test portion with hot water, precipitating of proteins and filtrating. Reduction of the extracted nitrates into nitrites by metallic cadmium. Formation of a red colouration by adding of sulfanilamide and nphthyl ethylenediamine hydrochloride and photometric measurement at a wavelength of 538 nm.

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