ISO 3363:1976
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Fluorochlorinated hydrocarbons for industrial use — Determination of acidity — Titrimetric method
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English, French
01-09-1976
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Applicable to products the acidity of which is between 2 mol and 200 mol of univalent acid per kg. Two procedures are given: one is applicable to liquid products (R11, R113, etc.) and the other one to gaseous (R12, R22, etc.). The principle consists in extraction of the acids by water. Titration of the acids in the aqueous phase with standard volumetric sodium hydroxide solution in the presence of bromocresol green as indicator. A figure shows an apparatus for absorption of acids for products which are gaseous at ordinary temperatures.
| Committee |
ISO/TC 47
|
| DevelopmentNote |
Also numbered as BS 5598-6(1979) (08/2005)
|
| DocumentType |
Standard
|
| Pages |
3
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| NBN T 04 405 : 1983 | Identical |
| NFT 20 781 : 84 FD | Identical |
| ASTM D 6064 :2011 | Standard Specification for HFC-227ea, 1,1,1,2,3,3,3-Heptafluoropropane (CF<sub>3</sub>CHFCF<sub>3</sub>) |
| ASTM D 6064 : 2011 : R2015 | Standard Specification for HFC-227ea, 1,1,1,2,3,3,3-Heptafluoropropane (CF<inf>3</inf >CHFCF<inf>3</inf>) |
| ASTM PS 7 : 1995 | Specification for Iodotrifluorome Thane CF3I (Withdrawn 1997) |
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