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ISO 11400:1992

Nickel, ferronickel and nickel alloys — Determination of phosphorus content — Phosphovanadomolybdate molecular absorption spectrometric method
3. 9. 1992.
95.99   Povučen   15. 12. 2021.

Опште информације

95.99     15. 12. 2021.

ISO

ISO/TC 155

Međunarodni standard

77.100     77.120.40  

francuski   engleski  

Kupovina

Povučen

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Apstrakt

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.

Životni ciklus

TRENUTNO

POVUČEN
ISO 11400:1992
95.99 Povučen
15. 12. 2021.

REVIDIRAN OD

OBJAVLJEN
ISO 11400:2021