ISO 2227:1972
Formaldehyde solutions for industrial use — Determination of formaldehyde content
OVERVIEW
The specified method is applicable to HCHO contents between 25 5 and 45 %. The field of application may be extended by siutably modifying the mass of the test portion. The principle consists in the reaction of the test solution with a neutral sodium sulphite solution, and acidimetric titration of the liberated sodium hydroxide in presence of thymolphthalein as indicator.
COMMENTS
-
PRODUCT DETAILS
| Status | Current |
|---|---|
| Edition | 1972 |
| No. of Pages | 2 |
| ICS Classification | 71.080.80 Aldehydes and ketones |
| Committee | ISO/TC 47 |
| Available for Purchase | For sale in Singapore only |
| Adoption | ISO |