Testing on plastic packing materials
(Korean Pharmacopoeia, the 8th Amendment General Test Method – plastic medical supplies container test method eluate) conducted
Test liquid manufacturing: subject 4g/ 72 hour elution from 20ml of distilled water at 50± 2℃ | |
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1) Property test | Test liquid must be clear and colorless without foreign substances |
2) Heavy metals limit test | The color of test liquid should not be darker than that of comparison liquid. |
3) PH test | below pH1.5 difference between test liquid and blank test liquid |
4) ) Potassium permanganate consumption test | below 2.0ml |
5) Residue test | below 1.0mg when 20ml of test liquid is evaporated |
6) Absorbance test | below 0.1 absorbance of 250nm~350nm of test liquid |