Skip to main content
Applications
OBP
English
español
français
русский
Menu
Standards
Sectors
Health
IT & related technologies
Transport
Environmental sustainability
Management & services
Security, safety & risk
Energy
Food and agriculture
Building and construction
Engineering
Materials
Diversity and inclusion
About ISO
Insights & news
Insights
All insights
Healthcare
Artificial intelligence
Climate change
Cybersecurity
Quality management
News
Expert talk
Standards world
Media kit
Taking part
Store
Cart
Reference number
ISO 11905-1:1997
© ISO 2024
International Standard
ISO 11905-1:1997
Water quality — Determination of nitrogen — Part 1: Method using oxidative digestion with peroxodisulfate
Edition 1
1997-05
Read sample
ISO 11905-1:1997
2155
ISO 11905-1:1997
Water quality — Determination of nitrogen
Part 1: Method using oxidative digestion with peroxodisulfate
Published
(Edition 1, 1997)
This publication was last reviewed and confirmed in 2024. Therefore this version remains current.
ISO 11905-1:1997
ISO 11905-1:1997
2155
Language
English
French
Format
PDF
Paper
PDF
Paper
CHF
96
Add to cart
Convert Swiss francs (CHF) to
your currency
General information
Status
:
Published
Publication date
:
1997-05
Stage
: International Standard confirmed [
90.93
]
Edition
: 1
Number of pages
: 13
Technical Committee :
ISO/TC 147/SC 2
ICS
:
13.060.50
RSS
updates
Life cycle
Now
Published
ISO 11905-1:1997
A standard is reviewed every 5 years
Stage:
90.93
(Confirmed)
00
Preliminary
10
Proposal
20
Preparatory
20.00
1988-11-01
New project registered in TC/SC work programme
20.20
1992-01-06
Working draft (WD) study initiated
20.99
1992-02-15
WD approved for registration as CD
30
Committee
30.00
1992-03-15
Committee draft (CD) registered
30.20
1992-04-15
CD consultation initiated
30.99
1993-11-11
CD approved for registration as DIS
40
Enquiry
40.00
1995-05-04
DIS registered
40.20
1995-05-25
DIS ballot initiated: 12 weeks
40.60
1996-01-04
Close of voting
50
Approval
50.00
1996-06-27
Final text received or FDIS registered for formal approval
50.20
1997-02-19
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
50.60
1997-02-19
Close of voting. Proof returned by secretariat
60
Publication
60.60
1997-05-15
International Standard published
90
Review
90.20
2001-11-15
International Standard under systematic review
90.60
2002-08-26
Close of review
90.93
2002-08-26
International Standard confirmed
90.20
2007-07-15
International Standard under systematic review
90.60
2007-12-18
Close of review
90.93
2008-05-07
International Standard confirmed
90.20
2013-04-15
International Standard under systematic review
90.60
2013-09-18
Close of review
90.93
2013-11-12
International Standard confirmed
90.20
2018-10-15
International Standard under systematic review
90.60
2019-03-05
Close of review
90.93
2019-03-18
International Standard confirmed
90.20
2024-01-15
International Standard under systematic review
90.60
2024-06-04
Close of review
90.93
2024-06-24
International Standard confirmed
90.20
International Standard under systematic review
90.60
Close of review
90.99
Withdrawal of International Standard proposed by TC or SC
95
Withdrawal
95.99
Withdrawal of International Standard
Got a question?
Check out our
Help and Support
Add to cart