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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

$

193

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ISO 910:1977

ISO 910:1977 Sulphuric acid and oleum for industrial use – Determination of total acidity, and calculation of free sulphur trioxide content of oleum – Titrimetric method

CDN $76.00

SKU: 5a4a1a32501f Category:

Description

Two cases are considered: sulphuric acid contents equal to or lower than 98 % (m/m) and sulphuric acid contents higher than 98 % (m/m). The principle is based on oxidation of a test portion with hydrogen peroxide and titration of the total acidity with a standard volumetric sodium hydroxide solution, in the presence of methyl red as indicator. – Replaces ISO Recommendation R 910-1968.

Edition

1

Published Date

1977-11-01

Status

PUBLISHED

Pages

3

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

Two cases are considered: sulphuric acid contents equal to or lower than 98 % (m/m) and sulphuric acid contents higher than 98 % (m/m). The principle is based on oxidation of a test portion with hydrogen peroxide and titration of the total acidity with a standard volumetric sodium hydroxide solution, in the presence of methyl red as indicator. - Replaces ISO Recommendation R 910-1968.

Previous Editions

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