ISO 18191:2015
Superseded
View Superseded by
Water quality — Determination of pHt in sea water — Method using the indicator dye m-cresol purple
Hardcopy , PDF
English
09-01-2015
07-07-2026
ISO 18191:2015 specifies a spectrophotometric determination of the pHt of sea water on the total hydrogen ion concentration pH scale using the indicator dye m-cresol purple. The total hydrogen ion concentration, [H+]t, is expressed as moles per kilogram of sea water. The method is suitable for assaying oceanic levels of pHt 7,4 to 8,2 for normal sea water of practical salinity ranging from 20 to 40.
| Committee |
ISO/TC 147/SC 2
|
| DevelopmentNote |
Supersedes ISO/DIS 18191. (09/2015)
|
| DocumentType |
Standard
|
| Pages |
11
|
| PublisherName |
International Organization for Standardization
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| BS ISO 18191:2015 | Identical |
| ISO 22719:2008 | Water quality — Determination of total alkalinity in sea water using high precision potentiometric titration |
| ISO 5667-1:2006 | Water quality — Sampling — Part 1: Guidance on the design of sampling programmes and sampling techniques |
| ISO 10523:2008 | Water quality — Determination of pH |
Please Login or Create an Account so you can add users to your Multi user PDF Later.
Important note : All end users must be registered with an Account prior to user licenses being assigned.
Users cannot be edited or removed once added to your Multi user PDF.