An Introduction to the Diagnosis of Plant Disease by Chelston W. D Brathwaite

By Chelston W. D Brathwaite

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As a check all standards can be measured as samples. 5. 235 nm, is used in the author's laboratory as an internal standard to compensate for matrix effects. 9. 1 The total aluminium content in the dried plant material, expressed in mg/kg Al, is calculated by: (a - b) * V / w in which: a is the concentration of aluminium in the sample digest, in mg/L; b is the concentration of aluminium in the blank digest, in mg/L; V is the total volume of digest at the end of the digestion procedure, in mL; w is the weight of plant material sample, in g.

Remarks: 4. 861 nm, is used in the author's laboratory as an 5. Laboratory coats fresh from the laundry might release boron (from the perborate used in internal standard to compensate for matrix effects. washing powder). 9. 1 The total boron content in the dried plant material, expressed in mg/kg B, is calculated by: (a - b) * V / w 46 Determinations; Determination of boron in which: a is the concentration of boron in the sample digest, in mg/L; b is the concentration of boron in the blank digest, in mg/L; V is the total volume of digest at the end of the digestion procedure, in mL; w is the weight of plant material sample, in g.

1987. Background corrections in the determination of Cd and Pb by flame AAS in plant and soil samples with high Fe levels. Appl. Spectrosc. 41: 388-390.

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