Grey Scales


To asses the change in colour and staining.

ISO AO2 Grey Scale (Change in Colour) – Code: 2000-0001
ISO AO3 Grey Scale (Staining) – Code: 2000-0002
AATCC Grey Scale (Change in Color) – Code: 2000-0066
AATCC Grey Scale (Staining) – Code: 2000-0067


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