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
Renewable energy
News
Expert talk
Standards world
Media kit
Taking part
Store
Cart
Reference number
ISO 9779:1990
© ISO 2024
ISO 9779:1990
Metallurgical-grade fluorspar — Determination of lead content — Solvent extraction atomic absorption spectrometric method
Edition 1
1990-03
Withdrawn
ISO 9779:1990
17641
ISO 9779:1990
Metallurgical-grade fluorspar — Determination of lead content — Solvent extraction atomic absorption spectrometric method
Withdrawn
(Edition 1, 1990)
New version available:
ISO 9779:1993
General information
Status
:
Withdrawn
Publication date
:
1990-03
Stage
: Withdrawal of International Standard [
95.99
]
Edition
: 1
Number of pages
: 4
Technical Committee :
ISO/TC 175
ICS
:
73.080
RSS
updates
Life cycle
Now
Withdrawn
ISO 9779:1990
Stage:
95.99
00
Preliminary
10
Proposal
20
Preparatory
20.00
1985-12-01
New project registered in TC/SC work programme
20.20
1986-02-01
Working draft (WD) study initiated
30
Committee
30.00
1987-04-15
Committee draft (CD) registered
30.99
1987-05-01
CD approved for registration as DIS
40
Enquiry
40.00
1988-02-15
DIS registered
40.20
1988-03-24
DIS ballot initiated: 12 weeks
40.60
1988-10-01
Close of voting
50
Approval
50.00
1989-09-06
Final text received or FDIS registered for formal approval
50.20
1989-12-14
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
50.60
1989-12-14
Close of voting. Proof returned by secretariat
60
Publication
60.60
1990-03-08
International Standard published
90
Review
95
Withdrawal
95.99
1993-04-01
Withdrawal of International Standard
Revised by
Withdrawn
ISO 9779:1993
Got a question?
Check out our
Help and Support
Add to cart