The standard applies to the testing for endotoxins in hydrophilen membrane filter elements. Testing will be carried out by extraction of the membrane filter elements with physiological sodium chloride solution by means of LAL(Limulus Amoebocyten Lysat)-tests.
DIN 58356-9:2005 history
2005DIN 58356-9:2005 Membrane filter elements - Part 9: Testing for endotoxins