| 摘要 |
The invention relates to a method for quantitatively and/or qualitatively determining the microbial contamination of suspensions, emulsions or dispersions containing minerals and/or pigments and/or fillers and/or fibrou s materials, characterised in that one or more organic substances which can be decomposed by micro-organisms is added to a sample of the suspensions, emulsions or dispersions, the sample is mixed, optionally incubated and then centrifuged in order to separate the micro-organisms from the minerals and/o r pigments and/or fillers and/or fibrous materials. The number and/or size and/or type of micro-organisms in the supernatant aqueous phase is determine d after one or more incubations.
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