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Measurement of the properties of light, especially luminous intensity.

pho′to·met′ric (fō′tə-mĕt′rĭk), pho′to·met′ri·cal (-rĭ-kəl) adj.
pho′to·met′ri·cal·ly adv.
pho·tom′e·trist n.
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Adj.1.photometrical - of or relating to photometry
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20 Minutes later, residual content of metal ions was determined on the KFK-3-01 conductometer (LLK ZOMZ, Russia) with use of the photometrical method [26, 27].
In the above-described photometrical testing systems, the overall content of phytosterols in the classical TCM pollen preparation QKPT was determined as 2.