ISO 11400:1992
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Nickel, ferronickel and nickel alloys Determination of phosphorus content Phosphovanadomolybdate molecular absorption spectrometric method
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
15-12-2021
English, French
03-09-1992
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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.
| DevelopmentNote |
Also numbered as BS 6783-13(1992) (04/2005)
|
| DocumentType |
Standard
|
| Pages |
5
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| PN ISO 11400 : 1996 | Identical |
| IS 17320 : 2020 | Identical |
| ISO 9725:2017 | Nickel and nickel alloy forgings |
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