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Reference number
ISO 4283:1990
© ISO 2024
ISO 4283:1990
All grades of fluorspar — Determination of carbonate content — Titrimetric method
Edition 2
1990-06
Withdrawn
ISO 4283:1990
10125
ICS
73
73.080
ISO 4283:1990
All grades of fluorspar — Determination of carbonate content — Titrimetric method
Withdrawn
(Edition 2, 1990)
New version available:
ISO 4283:1993
General information
Status
:
Withdrawn
Publication date
:
1990-06
Stage
: Withdrawal of International Standard [
95.99
]
Edition
: 2
Number of pages
: 5
Technical Committee :
ISO/TC 175
ICS
:
73.080
RSS
updates
Life cycle
Previously
Withdrawn
ISO 4283:1978
Now
Withdrawn
ISO 4283:1990
Stage:
95.99
00
Preliminary
10
Proposal
20
Preparatory
20.00
1985-12-01
New project registered in TC/SC work programme
20.20
1986-02-01
Working draft (WD) study initiated
30
Committee
30.00
1986-03-01
Committee draft (CD) registered
40
Enquiry
50
Approval
50.00
1989-09-06
Final text received or FDIS registered for formal approval
50.20
1990-02-22
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
50.60
1990-02-22
Close of voting. Proof returned by secretariat
60
Publication
60.60
1990-06-07
International Standard published
90
Review
95
Withdrawal
95.99
1993-01-21
Withdrawal of International Standard
Revised by
Withdrawn
ISO 4283:1993
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