ISO 753-9:1981
Withdrawn
Acetic acid for industrial use — Methods of test — Part 9: Visual limit test for inorganic sulphates
Hardcopy , PDF
English, French
10-01-1981
03-12-2019
Specifies a method for a visual comparison of the turbitity obtained by adding a barium chloride solution to a solution of a test portion acidified with hydrochloric acid, with that similarly obtained from a sulphate solution of known concentration. Using a test portion of 100 g, the method is applicable directly to products having inorganic sulphate contents in the range 0,001 % (m/m) to 0,1 % (m/m). This range can be extended by adjusting the mass of the test portion. It has also been approved by the International Union of Pure and Applied Chemistry (IUPAC). ISO 753/1 to ISO 753/11 cancel and replace ISO Recommendation R 753-1968.
| Committee |
ISO/TC 47
|
| DevelopmentNote |
Supersedes ISO 753 (04/2001)
|
| DocumentType |
Standard
|
| Pages |
2
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| Supersedes |
| Standards | Relationship |
| NBN T 04 024 : 1983 | Identical |
| DIN 50922:1985-10 | Similar to |
| NFT 20 630 : 84 FD | Identical |
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