How To Use Photometrically In A Sentence
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photometrically measured
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Phosphate in the digests and in culture solutions was measured spectrophotometrically using the molybdate and malachite green method described earlier.
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The concentration of unbound protein in the supernatant was determined spectrophotometrically at 410 nm.
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The reactions were followed spectrophotometrically at 300 nm, where the dimeric products of phenol coupling absorb.
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Finally, the fugacity is calculated from the mixing ratio. pH is usually measured using a glass/reference electrode cell or spectrophotometrically using an indicator dye.
Marine carbonate chemistry

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Contamination of the apoprotein by myoglobin was assessed spectrophotometrically.