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DIN EN 12139:1999-04
Surface active agents - Determination of the total polyethylene glycol content of non-ionic surface active agents (EO adducts) by HPLC/GPC; German version EN 12139:1999
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Summary
The document specifies the determination of the total polyethylene glycol (PEG) content of aromatic and aliphatic nonionic surfactants of the type R-(O-C2H4)p-OH, p = mean ethylene oxide (EO) value to be determined if these substances are present in quantities of not less than approximately 0,1 percent by weight.
Notes
Pour le(s) document(s) annulé(s) et non remplacé(s) DIN ISO 2268 (1980-07) l'éditeur recommande ce document.
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 04/01/1999 |
| Page Count | 14 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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