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International Standard
ISO 2197:1972
Sodium hydrogen carbonate for industrial use — List of methods of test and preparation of the test sample
Reference number
ISO 2197:1972
Edition 1
1972-06
© ISO 2024
International Standard
Read sample
p
ISO 2197:1972
6998
ICS
71
71.060
71.060.50
ISO 2197:1972
Sodium hydrogen carbonate for industrial use — List of methods of test and preparation of the test sample
Published
(Edition 1, 1972)
This standard was last reviewed and confirmed in 2019. Therefore this version remains current.
ISO 2197:1972
ISO 2197:1972
6998
Format
PDF
Paper
Language
English
French
English
French
CHF
42
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General information
Status
:
Published
Publication date
:
1972-06
Stage
: International Standard confirmed [
90.93
]
Edition
: 1
Number of pages
: 1
Technical Committee :
ISO/TC 47
ICS
:
71.060.50
RSS
updates
Life cycle
Now
Published
ISO 2197:1972
A standard is reviewed every 5 years
Stage:
90.93
(Confirmed)
00
Preliminary
10
Proposal
20
Preparatory
30
Committee
40
Enquiry
50
Approval
60
Publication
60.60
1972-06-01
International Standard published
90
Review
90.20
1991-11-30
International Standard under systematic review
90.60
1992-06-30
Close of review
90.20
1996-11-15
International Standard under systematic review
90.60
1997-07-15
Close of review
90.20
2001-11-15
International Standard under systematic review
90.60
2002-03-03
Close of review
90.93
2002-04-03
International Standard confirmed
90.20
2012-01-15
International Standard under systematic review
90.60
2012-06-20
Close of review
90.93
2013-10-01
International Standard confirmed
90.20
2018-10-15
International Standard under systematic review
90.60
2019-03-05
Close of review
90.93
2019-07-19
International Standard confirmed
90.20
International Standard under systematic review
90.60
Close of review
95
Withdrawal
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