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Reference number
ISO 9507:1990
© ISO 2024
ISO 9507:1990
Iron ores — Determination of total iron content — Titanium(III) chloride reduction methods
Edition 1
1990-05
Withdrawn
ISO 9507:1990
17239
ICS
73
73.060
73.060.10
ISO 9507:1990
Iron ores — Determination of total iron content — Titanium(III) chloride reduction methods
Withdrawn
(Edition 1, 1990)
General information
Status
:
Withdrawn
Publication date
:
1990-05
Stage
: Withdrawal of International Standard [
95.99
]
Edition
: 1
Number of pages
: 9
Technical Committee :
ISO/TC 102/SC 2
ICS
:
73.060.10
RSS
updates
Life cycle
Now
Withdrawn
ISO 9507:1990
Stage:
95.99
00
Preliminary
10
Proposal
20
Preparatory
20.00
1979-01-01
New project registered in TC/SC work programme
20.20
1981-01-01
Working draft (WD) study initiated
30
Committee
30.00
1986-08-01
Committee draft (CD) registered
30.99
1986-09-01
CD approved for registration as DIS
40
Enquiry
40.00
1987-01-05
DIS registered
40.20
1987-11-05
DIS ballot initiated: 12 weeks
40.60
1988-06-01
Close of voting
40.92
1989-07-01
Full report circulated: DIS referred back to TC or SC
50
Approval
50.00
1989-08-03
Final text received or FDIS registered for formal approval
50.20
1989-12-07
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
50.60
1989-12-07
Close of voting. Proof returned by secretariat
60
Publication
60.60
1990-05-31
International Standard published
90
Review
90.92
1994-09-15
International Standard to be revised
90.93
2002-12-03
International Standard confirmed
90.20
2007-10-15
International Standard under systematic review
90.60
2008-03-18
Close of review
90.99
2012-06-28
Withdrawal of International Standard proposed by TC or SC
95
Withdrawal
95.20
2012-07-03
Withdrawal ballot initiated
95.60
2012-10-08
Close of voting
95.99
2012-10-08
Withdrawal of International Standard
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