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API STD 521: Guide for Pressure-relieving and Depressuring Systems – Edition 6

$

682

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API STD 653: Tank Inspection, Repair, Alteration, and Reconstruction – Edition 4

$

507

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CSA Z662:19 – Oil and gas pipeline systems

$

1197

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CSA Z341 Series-18: Storage of hydrocarbons in underground formations

$

878

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CSA Z246.2-14 – Emergency preparedness and response for petroleum and natural gas industry systems

$

596

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CSA Z341 Series:22 – Storage of hydrocarbons in underground formations

$

878

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CSA Z731-09 (R2014) – Emergency Preparedness and Response

$

177

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CSA Z662:23 – Oil and gas pipeline systems

$

1197

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CSA Z341 Series:26 – Storage of Hydrocarbons in underground formations

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878

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CSA B51:24 Boiler, Pressure Vessel, and Pressure Piping Code

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389

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ISO 6560:1983

ISO 6560:1983 Fruit and vegetable products – Determination of benzoic acid content (benzoic acid contents greater than 200 mg per litre or per kilogram) – Molecular absorption spectrometric method

CDN $82.00

Description

The method consists in extracting the acid from an acidified test portion using diethyl ether, nitrating followed by reduction and Mohler’s reaction modified with hydroxylaminehydrochloride, measuring the absorbance of the red complex obtained with a suitable spectrometer. For determining lower concentrations, see ISO 5518.

Edition

1

Published Date

1983-11-01

Status

PUBLISHED

Pages

3

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

The method consists in extracting the acid from an acidified test portion using diethyl ether, nitrating followed by reduction and Mohler's reaction modified with hydroxylaminehydrochloride, measuring the absorbance of the red complex obtained with a suitable spectrometer. For determining lower concentrations, see ISO 5518.

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