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API MPMS CH 10.8, 3rd Edition: Standard Test Method for Sediment in Crude Oil by Membrane Filtration

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192

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ISO 4306-1:2026 Cranes — Vocabulary — Part 1: General

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ISO 10697:1994

ISO 10697:1994 Steel – Determination of calcium content by flame atomic absorption spectrometry – Part 2: Determination of total calcium content

CDN $131.00

SKU: 8204d4abe68c Categories: ,

Description

The principle of the method specified is dissolving a test portion in hydrochloric and nitric acids, fusing the acid-insoluble residue with sodium carbonate, adding potassium chloride/lanthanum nitrate solution as a spectrochemical buffer, spraying the solution into a dinitrogen monoxide-acetylen flame, and spectrometrically measuring the atomic absorption of the 422,7 nm spectral line emitted by a calcium hollow cathode lamp. The method is applicable to calcium contents betwen 0,0005 % (m/m) and 0,005 % (m/m).

Edition

1

Published Date

1994-02-03

Status

PUBLISHED

Pages

10

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

The principle of the method specified is dissolving a test portion in hydrochloric and nitric acids, fusing the acid-insoluble residue with sodium carbonate, adding potassium chloride/lanthanum nitrate solution as a spectrochemical buffer, spraying the solution into a dinitrogen monoxide-acetylen flame, and spectrometrically measuring the atomic absorption of the 422,7 nm spectral line emitted by a calcium hollow cathode lamp. The method is applicable to calcium contents betwen 0,0005 % (m/m) and 0,005 % (m/m).

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