Strahlentherapie

Seiler, Rolf W.

doi:10.1007/978-3-642-68505-7_7

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Analytical Procedures1

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1987

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Cited by 1 publication

(2 citation statements)

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“…All results are expressed inpg g-' of CCC and are the average results of duplicate samples. Five samples (2)(3)(4)(5)(6) containing NDMA (0.18-0.21 pg g-') were also subjected to g.c.-m.s. analysis; monitoring at m / z 74.048 (k0.007) confirmed both the identity and concentration of NDMA.…”

Section: Analytical Proceduresmentioning

confidence: 99%

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A rapid and sensitive method for gas‐liquid chromatographic determination of N‐nitrosodimethylamine in formulations of chlormequat chloride

Wigfield

Lacroix

1987

Pestic. Sci.

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A rapid and sensitive method for the isolation, clean‐up and gas‐liquid chromatographic determination of trace quantities of N‐nitro‐sodimethylamine (NDMA) in an aqueous formulation of 2‐chloroethyltrimethylammonium chloride (chlormequat chloride) is reported. Seventeen samples of two different formulations were collected and analyzed. The levels of NDMA ranged from 0.08 to 0.2 μg g−1 of chlormequat chloride. The minimum detectable amount was 0.01 ng which is equivalent to 0.01 μg g−1 or 0.03 μg g−1 depending on the concentration of the active ingredient in the formulation. Recoveries from the samples spiked with NDMA standard at 0.23, 0.17 and 0.11 μg g−1 were 90–102% with a mean of 98.4% and an overall coefficient of variation of 3.7%. The detector response was found to be linear within the range 0.05 ng to 0.2 ng.

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Section: Analytical Proceduresmentioning

confidence: 99%

“…Quantitation limit of 0.01 pg g-' for samples[1][2][3][4][5][6][7][8][9][10][11][12][13][14] containing 412 g CCC kg-I. bNot confirmed using g.c.-m.s.…”

mentioning

confidence: 99%

A rapid and sensitive method for gas‐liquid chromatographic determination of N‐nitrosodimethylamine in formulations of chlormequat chloride

Wigfield

Lacroix

1987

Pestic. Sci.

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show abstract

Strahlentherapie

Cited by 1 publication

References 94 publications

A rapid and sensitive method for gas‐liquid chromatographic determination of N‐nitrosodimethylamine in formulations of chlormequat chloride

A rapid and sensitive method for gas‐liquid chromatographic determination of N‐nitrosodimethylamine in formulations of chlormequat chloride

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