This standard specifies a procedure for determining the degree of aerobic degradation of fully formulated lubricants. The organic material in a fully formulated lubricant is exposed in a synthetic aqueous medium under laboratory conditions to an inoculum from activated sludge. Biodegradation resulting in mineralisation of the organic material can be determined by measuring released CO2 in a total organic carbon (TOC-) analyser. The above mentioned method applies to fully formulated lubricants which a) are water-soluble, non-water soluble or emulsifiable b) are not toxic and not inhibitory to the test microorganisms at the test concentration. The presence of inhibitory effects can be determined
PUBLISHED
SSH EN 17181:2019
60.60
Standard published
Mar 25, 2020
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