Colorimetric Microdetermination of Boron

Naftel, James A.

doi:10.1021/ac50135a029

Cited by 52 publications

(13 citation statements)

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“…Boron was determined by the method of NAFTEL (30); and organic-N (1), NO3-N (51), and NH3-N (1) were determined by the indicated methods. The mean of the duplicate analyses for any given element was used for each leaflet sample, the treatment means computed, and all differences between treatment means tested for statistical significance by the t test (48 …”

Section: Introdtctionmentioning

confidence: 99%

Some Effects of Boron Supply on the Chemical Composition of Tomato Leaflets

Parks¹,

Lyon²,

Hood³

1944

Plant Physiol.

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Section: Introdtctionmentioning

confidence: 99%

Some Effects of Boron Supply on the Chemical Composition of Tomato Leaflets

Parks¹,

Lyon²,

Hood³

1944

Plant Physiol.

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“…Total B in 6-week-old plant tissue (dry-ashed at 470~ for 4h) was determined by the curcumin procedure (Naftel, 1939).…”

Section: Methodsmentioning

confidence: 99%

The profile distribution of total and extractable boron in cacao-growing soils in southwestern Nigeria

Chude

1988

Plant Soil

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The profile distribution of total and extractable B was determined in 16 Nigerian cacao-growing soil profiles formed from different parent materials. Total B for all soils ranged from 8 to 54/~gg-t with a mean of 24 #gg-l. The soils formed from sandstones in the rainforest zone contained higher amounts of total B than soils derived from basement complex. Boron extractable in hot water, in 0.1% CaCI2, and in IN NH4OAc varied from 0.13 to 1.38, 0.44 to 1.20 0.03 to 0.56/~gg-~ respectively. The corresponding means were 0.66, 0.75 and 0.27#gg -1 B. Soils on metamorphic rocks gave the highest values. All extractable B values were related to organic matter while only CaC12-extractable B correlated with total B. Generally total and extractable B values were higher in the top soils than in the subsoils.

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“…AU soil samples were analyzed for water-soluble boron using the method proposed by Naftel (6). Because of reported difficulties from boron-contaminated filter paper (3,8), the centrifuge was used in all cases where separation of solids was necessary.…”

Section: Methodsmentioning

confidence: 99%