This test evaluates the growth of Aspergillus niger
on fabric when the fabric is kept on the surface of an inoculated agar plate. Incubation is carried out for 14 days.
For higher challenge a nutritive medium is used and for less severe challenge a mineral salts agar that does not contain any carbon source is used.
Untreated samples are required to be tested as controls and for comparison with the treated test samples.
The test is carried out in duplicates or triplicates.
Uninoculated controls are also set up to check for inherent fungi if present in the samples.
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