Colorimetric Determination of Primary Mononitroparaffins

Scott, Eugene W.; Treon, J. F.

doi:10.1021/ac50144a002

Cited by 29 publications

(7 citation statements)

References 1 publication

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“…At this wave length they follow Beer's law in the concentrations used. Data obtained by the analysis of air samples were presented (351). Machle, Scott, and Treon (241), in the work on the analysis of airnitroparaffin mixtures, found that samples containing high concentrations of mononitroparaffins could be aspirated through a 50-cm. interferometer, but this method was not sufficiently sensitive for air containing lower concentrations, and chemical detection was therefore necessary.…”

Section: Analytical Reactions Of Nitroparaffinsmentioning

confidence: 99%

The Nitroparaffins.

Hass¹,

Riley²

1943

Chem. Rev.

106

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Section: Analytical Reactions Of Nitroparaffinsmentioning

confidence: 99%

The Nitroparaffins.

Hass¹,

Riley²

1943

Chem. Rev.

106

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“…For example, surprisingly small additions of various impurities make sintered molybdenum rods unworkable (6). Certain impurities that have relatively high vapor pressures cause blistering on the surface of rods during sintering.…”

Section: Resultsmentioning

confidence: 99%

“…The procedure of Scott and Treon (6), which employs the pink color developed when primary nitroparaffins are treated with hydrochloric acid and ferric chloride, was not sensitive enough for the convenient determination of microgram quantities of primary nitroparaffins. From the data given (6), it can be calculated that the specific extinction coefficients in absorbance units per microgram per milliliter-centimeter of optical path length are only about 0.002. The method used by Turba, Haul, and Uhlen (7) involving the coupling of diazotized sulfanilic acid with the primary nitroparaffins appeared to have good sensitivity.…”

mentioning

confidence: 99%

Spectrophotometric Determination of Primary Nitroparaffins by Coupling with p-Diazobenzene-sulfonic Acid

Cohen¹,

Altshuller²

1959

Anal. Chem.

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^Primary nitroparaffins have been determined spectrophotometrically by means of their coupling reaction with p-diazobenzenesulfonic acid. Secondary nitroparaffins and 2-nitro-2a Iky 1-1 -alkanols do not interfere, but 2-nitro-2-alkyl-1,3-alkenediols react with p-diazobenzenesulfonic acid. Nitromethane can be determined at 440 mp in the concentration range up to 50 per ml.,'while nitromethane and 1 -nitropropane can be determined at 395 mp up to 80 and 100 per ml., respectively.

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“…The two principal components of Dilan contain an aliphatic nitro group which offers a means of specific characterization from other commonly used insecticides. Several colorimetric methods have been proposed for the analysis of nitroparaffins (1,3,4,5,7). The method developed by Scott and Treon (7) appeared to offer the best possibility for the precise determination of small amounts of an aliphatic nitro compound.…”

Section: Dilanmentioning

confidence: 99%

“…Several colorimetric methods have been proposed for the analysis of nitroparaffins (1,3,4,5,7). The method developed by Scott and Treon (7) appeared to offer the best possibility for the precise determination of small amounts of an aliphatic nitro compound. A preliminary study indicated that this method probably could be used as a basis for an accurate method for Dilan in micro amounts in vegetable and animal tissues.…”

Section: Dilanmentioning

confidence: 99%