BS ISO 15373:2001
Current
The latest, up-to-date edition.
Plastics. Polymer dispersions. Determination of free formaldehyde
Hardcopy , PDF
English
09-10-2001
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1 Scope
2 Normative references
3 Principle
4 Interference
5 Reagents (methods A and B)
6 Apparatus
7 Procedure
8 Calculation
9 Precision for method B
10 Test report
Bibliography
Specifies methods for the determination of free formaldehyde (HCHO) in polymer dispersions. The procedure has been evaluated using acrylic, acrylonitrile butadiene, carboxylated styrenebutadiene and vinyl acetate polymer dispersions. Applicable to polymer dispersions of other compositions.
| Committee |
PRI/21
|
| DevelopmentNote |
Supersedes 98/120980 DC (10/2001) Reviewed and Confirmed by BSI, October 2006. (09/2006)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard describes two methods for the determination of free formaldehyde (HCHO) in polymer dispersions. The procedure has been evaluated using acrylic, acrylonitrile butadiene, carboxylated styrenebutadiene and vinyl acetate polymer dispersions. Both test methods may also be applicable to polymer dispersions of other compositions.
Method A is the preferred method for polymer dispersions with a free-formaldehyde content higher than 10 mg/kg. Method B is recommended if lower formaldehyde contents have to be determined or arbitration analyses have to be carried out.
Both methods minimize changes in free-formaldehyde concentration that can result from changes in the physical or chemical properties of polymer dispersions.
There are no known limitations to these methods when used in the manner described.
| Standards | Relationship |
| ISO 15373:2001 | Identical |
| ASTM E 682 : 1992 | Standard Practice for Liquid Chromatography Terms and Relationships |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
| ISO 2227:1972 | Formaldehyde solutions for industrial use — Determination of formaldehyde content |
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