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Reference number
ISO 7537:1989
© ISO 2024
ISO 7537:1989
Petroleum products — Determination of total acid number — Semi-micro colour-indicator titration method
Edition 1
1989-09
Withdrawn
ISO 7537:1989
14313
TC
ISO/TC 28
ISO 7537:1989
Petroleum products — Determination of total acid number — Semi-micro colour-indicator titration method
Withdrawn
(Edition 1, 1989)
New version available:
ISO 7537:1997
General information
Status
:
Withdrawn
Publication date
:
1989-09
Stage
: Withdrawal of International Standard [
95.99
]
Edition
: 1
Number of pages
: 6
Technical Committee :
ISO/TC 28
ICS
:
75.080
RSS
updates
Life cycle
Now
Withdrawn
ISO 7537:1989
Stage:
95.99
00
Preliminary
10
Proposal
20
Preparatory
30
Committee
30.00
1980-12-01
Committee draft (CD) registered
30.99
1980-12-01
CD approved for registration as DIS
40
Enquiry
40.00
1984-01-01
DIS registered
40.20
1984-11-01
DIS ballot initiated: 12 weeks
40.60
1985-06-01
Close of voting
40.92
1986-07-01
Full report circulated: DIS referred back to TC or SC
50
Approval
50.00
1987-11-18
Final text received or FDIS registered for formal approval
50.20
1988-05-12
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
50.60
1988-05-12
Close of voting. Proof returned by secretariat
60
Publication
60.60
1989-09-21
International Standard published
90
Review
90.20
1993-11-30
International Standard under systematic review
90.60
1994-07-15
Close of review
90.92
1995-09-18
International Standard to be revised
95
Withdrawal
95.99
1997-07-10
Withdrawal of International Standard
Revised by
Published
ISO 7537:1997
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