ISO 731-3:1977
Withdrawn
Formic acid for industrial use — Methods of test — Part 3: Determination of content of other acids — Potentiometric method
Hardcopy , PDF
English, French
02-01-1977
02-28-2019
The principle consists in a quantitative oxidation of the formic acid in a test portion with excess mercury(II) oxide. Potentiometric titration of the residual acids with standard volumetric sodium hydroxide solution. The method is applicable to products containing 0,5 to 6,0 % (m/m) of other acids, expressed as acetic acid. ISO/R 731 has been subdivised into seven parts. ISO 731/3 replaces clause 4 of ISO Recommendation R 731-1968.
| Committee |
ISO/TC 47
|
| DocumentType |
Standard
|
| Pages |
2
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| Standards | Relationship |
| NFT 20 680 : 83 FD | Identical |
| NBN T 04 003 : 1983 | Identical |
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.