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Absorption

The amount of material taken up by the structure of the filter media. Usually expressed as volume or mass per unit area of filter.

FAQ
The amount of material taken up by the structure of the filter media. Usually expressed as volume or mass per unit area of filter.
A spectrum of electromagnetic radiation that is transmitted through a substance, presenting dark bands or lines due to absorption at certain wavelengths.
Chlorophyll a is a certain type of chlorophyll used in oxygenic photosynthesis. It can absorb energy from wavelengths of orange-red and violet-blue light.