ISO 11400:1992 PDF
Nickel, ferronickel and nickel alloys — Determination of phosphorus content — Phosphovanadomolybdate molecular absorption spectrometric method
Open preview (PDF)Nickel, ferronickel and nickel alloys — Determination of phosphorus content — Phosphovanadomolybdate molecular absorption spectrometric methodTitle (English):
ISO 11400:1992
Nickel, ferronickel and nickel alloys — Determination of phosphorus content — Phosphovanadomolybdate molecular absorption spectrometric method
- Document status:
- Withdrawn
- Format:
- Electronic (PDF)
- Number of pages:
- 5
- Publication date:
- September 3, 1992
- Edition:
- ISO IS 11400 edition 1 version 1
- ICS:
- 77.100
Description (English):
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.
Technical details
- Technical committee
- ISO/TC 155 - Nickel and nickel alloys
- SKU
- ISO 11400:1992
