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sklademVydáno: 1974
ISO 1063:1974
ISO 1063:1974-Surface active agents — Determination of stability in hard water
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Anglicky PDF
K okamžitému stažení
1200 Kč
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K okamžitému stažení
1200 Kč
Anglicky Tisk
Skladem
1200 Kč
Francouzsky Tisk
Skladem
1200 Kč
| Označení normy: | ISO 1063:1974 |
| Počet stran: | 3 |
| Vydání: | 1 |
| Vydáno: | 1974 |
Popis
ISO 1063:1974
Solutions of the substance to be tested in differing concentrations are mixed with hard water solutions of differing known calcium hardness. After leaving the solutions to stand in specified conditions their appearance, i.e. clearness, opalescence, cloudiness or precipitation is observed. The method is applicable to surface active agents soluble in water at 20 °C. It can be extended to those which are soluble at approximately 50 °C.