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ISO 2217:1975
w
ISO 2217:1975
7021
TC
ISO/TC 47
ISO 2217:1975
Crude sodium borates for industrial use — Determination of matter insoluble in alkaline medium and preparation of test solutions
General information
Status
:
Withdrawn
Publication date
:
1975-02
Edition
: 1
Number of pages
: 2
Technical Committee
:
ISO/TC 47
Chemistry
ICS
:
71.060.50
Salts
Buy this standard
Life cycle
Now
Withdrawn
ISO 2217:1975
Stage:
95.99
00
Preliminary
10
Proposal
20
Preparatory
30
Committee
40
Enquiry
50
Approval
60
Publication
60.60
1975-02-01
International Standard published
90
Review
90.93
1991-01-01
International Standard confirmed
90.99
1992-07-29
Withdrawal of International Standard proposed by TC or SC
95
Withdrawal
95.20
1992-08-25
Withdrawal ballot initiated
95.99
2002-05-27
Withdrawal of International Standard
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