ISO 11400:1992

Nickel, ferronickel and nickel alloys — Determination of phosphorus content — Phosphovanadomolybdate molecular absorption spectrometric method

Publication date: 3 sht 1992

General information

Current stage: 90.92 Effective date: 8 mar 2021

Originator: ISO

Owner: ISO/TC 155

Type: International Standard

ICS: 77.100 77.120.40

Gjuha: frëngjisht anglisht

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Statusi: Publikuar

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Scope

Phosphorus content can be determined in the range of 0,000 5 % (m/m) to 0,05 % (m/m). As, Cr, Hf, Nb, Si, Ta, Ti, W interfere, but the interferences can be avoided. The principle is dissolution of a test portion in a mixture of nitric and hydrochloric acids, fuming with perchloric acid, removal of chromium, complexation of silicon, conversion of phosphorus to phosphovanadomolybdic acid, extraction of this compound.

Life cycle

NOW

PUBLISHED
ISO 11400:1992
90.92 Standard to be revised
8 mar 2021

REVISED BY

IN_DEVELOPMENT
ISO/FDIS 11400

National adoptions

SSH ISO 11400:1992

DPS

Nikel, hekurnikel dhe lidhje nikeli - Përcaktimi i përmbajtjes së fosforit - Metoda spektrometrike e përthithjes molekulare të fosfovanadomolibdenit

60.60 Standard published

DPS/KT 133 më tepër

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