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API STD 668: Brazed Aluminum Plate-fin Heat Exchangers for General Refinery Services

$

386

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MSS SP-134-2025: Valves for Cryogenic Service, including Requirements for Body/Bonnet Extensions

$

315

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MSS SP-150-2025: Valves for Use in Hydrogen Peroxide Service

$

189

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API STD 673: Centrifugal Fans for Petroleum, Chemical and Gas Industry Services: Edition 3

$

300

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API STD 674: Positive Displacement Pumps-Reciprocating: 3rd Edition

$

363

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API MPMS CH 22.3: Testing Protocol for Flare Gas Metering: Edition 2

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193

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ISO 2762:1973

ISO 2762:1973 Hydrochloric acid for industrial use – Determination of soluble sulphates – Turbidimetric method

CDN $76.00

SKU: 81faa683bdef Category:

Description

The turbidimetric method is applicable to products containing less than 0.1 % (m/m) of soluble sulphates. The principle consists in evaporation of a test portion to dryness and solution of the residue in hydrochloric acid. Measurement of the turbidity obtained by precipitation, under well defined conditions, of barium sulphate. Has also been approved by the IUPAC.

Edition

1

Published Date

1973-11-01

Status

PUBLISHED

Pages

3

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

The turbidimetric method is applicable to products containing less than 0.1 % (m/m) of soluble sulphates. The principle consists in evaporation of a test portion to dryness and solution of the residue in hydrochloric acid. Measurement of the turbidity obtained by precipitation, under well defined conditions, of barium sulphate. Has also been approved by the IUPAC.

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