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Absorption of iron Fe-humate in nutrient solutions by plants

✍ Scribed by Juan C. Lobartini; Gustavo A. Orioli


Publisher
Springer
Year
1988
Tongue
English
Weight
374 KB
Volume
106
Category
Article
ISSN
0032-079X

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Determination of phosphate species in nu
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A flow-injection spectrophotometric method for the determination of orthophosphate is described. The signal from the yellow phosphovanadomolybdic acid complex is recorded at 400 nm. The detection limit is 0.1 mg P 1-l (as orthophosphate), the calibration graph is linear up to 30 mg P 1-l and up to 2