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Reference number
ISO 9438:1989
© ISO 2024
ISO 9438:1989
Metallurgical-grade fluorspar — Determination of total phosphorus content — Reduced molybdophosphate spectrometric method
Edition 1
1989-11
Withdrawn
ISO 9438:1989
17140
ICS
73
73.080
ISO 9438:1989
Metallurgical-grade fluorspar — Determination of total phosphorus content — Reduced molybdophosphate spectrometric method
Withdrawn
(Edition 1, 1989)
New version available:
ISO 9438:1993
General information
Status
:
Withdrawn
Publication date
:
1989-11
Stage
: Withdrawal of International Standard [
95.99
]
Edition
: 1
Number of pages
: 5
Technical Committee :
ISO/TC 175
ICS
:
73.080
RSS
updates
Life cycle
Now
Withdrawn
ISO 9438:1989
Stage:
95.99
00
Preliminary
10
Proposal
20
Preparatory
20.00
1986-03-01
New project registered in TC/SC work programme
30
Committee
30.00
1986-07-01
Committee draft (CD) registered
30.99
1987-11-25
CD approved for registration as DIS
40
Enquiry
40.00
1987-11-25
DIS registered
40.20
1987-12-10
DIS ballot initiated: 12 weeks
40.60
1988-06-01
Close of voting
50
Approval
50.00
1989-01-03
Final text received or FDIS registered for formal approval
50.20
1989-08-17
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
50.60
1989-08-17
Close of voting. Proof returned by secretariat
60
Publication
60.60
1989-11-09
International Standard published
90
Review
95
Withdrawal
95.99
1993-03-18
Withdrawal of International Standard
Revised by
Withdrawn
ISO 9438:1993
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