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

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682

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507

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CSA Z662:19 – Oil and gas pipeline systems

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1197

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

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878

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

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

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

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CSA Z662:23 – Oil and gas pipeline systems

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

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

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ISO 1063:1974

ISO 1063:1974 Surface active agents – Determination of stability in hard water

CDN $82.00

SKU: a64f12897f1b Category:

Description

Solutions of the substance to be tested in differing concentrations are mixed with hard water solutions of differing known calcium hardness. After leaving the solutions to stand in specified conditions their appearance, i.e. clearness, opalescence, cloudiness or precipitation is observed. The method is applicable to surface active agents soluble in water at 20 °C. It can be extended to those which are soluble at approximately 50 °C.

Edition

1

Published Date

1974-12-01

Status

PUBLISHED

Pages

3

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

Solutions of the substance to be tested in differing concentrations are mixed with hard water solutions of differing known calcium hardness. After leaving the solutions to stand in specified conditions their appearance, i.e. clearness, opalescence, cloudiness or precipitation is observed. The method is applicable to surface active agents soluble in water at 20 °C. It can be extended to those which are soluble at approximately 50 °C.

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