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diethyl phthalate analytical standard  (Merck & Co)

 
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    Merck & Co diethyl phthalate analytical standard
    Diethyl Phthalate Analytical Standard, supplied by Merck & Co, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/phthalate+standards/10__1007_slash_s44371___026___00524___9-51-0-10?v=Merck+%26+Co
    Average 86 stars, based on 1 article reviews
    diethyl phthalate analytical standard - by Bioz Stars, 2026-06
    86/100 stars

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    Extracted ion mass chromatograms of a diisodecyl phthalate (DIDP) standard acquired at m/z = 432.3, 446.3, and 460.3 (top to bottom) using GC‐MS with Cold EI. The data demonstrates how Cold EI can uniquely detect the presence of mixed alkyl phthalates (iso‐nonyl‐decyl phthalate and Iso‐decyl‐undecyl phthalate) within the DIDP standard and provide their relative concentration as shown on the Y axis.

    Journal: Journal of Mass Spectrometry

    Article Title: Phthalates and Mixed Alkyl Phthalates Analysis in Plastics Using GC‐MS With Cold EI

    doi: 10.1002/jms.70062

    Figure Lengend Snippet: Extracted ion mass chromatograms of a diisodecyl phthalate (DIDP) standard acquired at m/z = 432.3, 446.3, and 460.3 (top to bottom) using GC‐MS with Cold EI. The data demonstrates how Cold EI can uniquely detect the presence of mixed alkyl phthalates (iso‐nonyl‐decyl phthalate and Iso‐decyl‐undecyl phthalate) within the DIDP standard and provide their relative concentration as shown on the Y axis.

    Article Snippet: Then, the ChromatoProbe was placed into the GC inlet for thermal desorption for 0.6 min. Phthalates standard were purchased from LGC Standards (Teddington, United Kingdom) (Product Codes D455385, D455395, and D459900) and analyzed by introducing 2 μL of each sample, measured with a micropipette, into a ChromatoProbe vial.

    Techniques: Gas Chromatography-Mass Spectrometry, Concentration Assay

    GC‐MS with Cold EI analysis of a small piece (below 1 mm 3 ) of a black electricity cable using ChromatoProbe for sample introduction and thermal desorption. The total ion mass chromatogram is shown on top with the names of the phthalates identified marked with an arrow. At the bottom, the mass spectrum of the last eluting peak, which is a heavy phthalate ( m / z = 546.4), is presented, along with its identification parameters from the NIST EI mass spectral library and corresponding structural formula.

    Journal: Journal of Mass Spectrometry

    Article Title: Phthalates and Mixed Alkyl Phthalates Analysis in Plastics Using GC‐MS With Cold EI

    doi: 10.1002/jms.70062

    Figure Lengend Snippet: GC‐MS with Cold EI analysis of a small piece (below 1 mm 3 ) of a black electricity cable using ChromatoProbe for sample introduction and thermal desorption. The total ion mass chromatogram is shown on top with the names of the phthalates identified marked with an arrow. At the bottom, the mass spectrum of the last eluting peak, which is a heavy phthalate ( m / z = 546.4), is presented, along with its identification parameters from the NIST EI mass spectral library and corresponding structural formula.

    Article Snippet: Then, the ChromatoProbe was placed into the GC inlet for thermal desorption for 0.6 min. Phthalates standard were purchased from LGC Standards (Teddington, United Kingdom) (Product Codes D455385, D455395, and D459900) and analyzed by introducing 2 μL of each sample, measured with a micropipette, into a ChromatoProbe vial.

    Techniques: Gas Chromatography-Mass Spectrometry, Thermal Desorption

    GC‐MS with Cold EI analysis of a small piece (below 1 mm 3 ) of a twist tie using ChromatoProbe for sample introduction and thermal desorption. The total ion mass chromatogram is shown on the top with the names of several phthalates identified marked with an arrow. The mass spectrum of the marked peak, which is a mixed alkyl phthalate, is shown at the bottom, including the compound's identification parameters from the NIST EI mass spectral library.

    Journal: Journal of Mass Spectrometry

    Article Title: Phthalates and Mixed Alkyl Phthalates Analysis in Plastics Using GC‐MS With Cold EI

    doi: 10.1002/jms.70062

    Figure Lengend Snippet: GC‐MS with Cold EI analysis of a small piece (below 1 mm 3 ) of a twist tie using ChromatoProbe for sample introduction and thermal desorption. The total ion mass chromatogram is shown on the top with the names of several phthalates identified marked with an arrow. The mass spectrum of the marked peak, which is a mixed alkyl phthalate, is shown at the bottom, including the compound's identification parameters from the NIST EI mass spectral library.

    Article Snippet: Then, the ChromatoProbe was placed into the GC inlet for thermal desorption for 0.6 min. Phthalates standard were purchased from LGC Standards (Teddington, United Kingdom) (Product Codes D455385, D455395, and D459900) and analyzed by introducing 2 μL of each sample, measured with a micropipette, into a ChromatoProbe vial.

    Techniques: Gas Chromatography-Mass Spectrometry, Thermal Desorption

    GC‐MS with Cold EI analysis of a small piece (< 1 mm 3 ) of a brown electricity cable using ChromatoProbe for sample introduction and thermal desorption. The total ion mass chromatogram is shown on the top. The extracted ion mass chromatograms for m / z = 404.3, 418.3432.3, 446.3, and 446.3 — corresponding to various phthalates and mixed alkyls — are shown at the bottom, highlighting the peak within the red box. As shown in the figure, the extended range of GC‐MS with Cold EI and its enhanced molecular ions enables the detection and identification of the different phthalates inside a mixture.

    Journal: Journal of Mass Spectrometry

    Article Title: Phthalates and Mixed Alkyl Phthalates Analysis in Plastics Using GC‐MS With Cold EI

    doi: 10.1002/jms.70062

    Figure Lengend Snippet: GC‐MS with Cold EI analysis of a small piece (< 1 mm 3 ) of a brown electricity cable using ChromatoProbe for sample introduction and thermal desorption. The total ion mass chromatogram is shown on the top. The extracted ion mass chromatograms for m / z = 404.3, 418.3432.3, 446.3, and 446.3 — corresponding to various phthalates and mixed alkyls — are shown at the bottom, highlighting the peak within the red box. As shown in the figure, the extended range of GC‐MS with Cold EI and its enhanced molecular ions enables the detection and identification of the different phthalates inside a mixture.

    Article Snippet: Then, the ChromatoProbe was placed into the GC inlet for thermal desorption for 0.6 min. Phthalates standard were purchased from LGC Standards (Teddington, United Kingdom) (Product Codes D455385, D455395, and D459900) and analyzed by introducing 2 μL of each sample, measured with a micropipette, into a ChromatoProbe vial.

    Techniques: Gas Chromatography-Mass Spectrometry, Thermal Desorption