Graphitized carbon black (gcb)

Manufactured by Waters Corporation

Sourced in United States

Graphitized Carbon Black (GCB) is a type of carbon-based material used in various laboratory applications. It is a high-purity, thermally treated form of carbon black that exhibits a graphite-like structure. GCB provides a stable and inert surface for chromatographic separations, adsorption, and other analytical processes.

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Lab products found in correlation

Psa spe bulk sorbent, by Agilent Technologies (1 mentions) Oasis max cartridge, by Waters Corporation (1 mentions) Amp15n5, by Merck Group (1 mentions) Citric acid, by Merck Group (1 mentions) Acetic acid, by Merck Group (1 mentions) Chlorothalonil, by Merck Group (1 mentions) Primary secondary amine, by Agilent Technologies (1 mentions) Octa decylsilane c18, by Waters Corporation (1 mentions) Hplc grade acetonitrile, by Merck Group (1 mentions) Formic acid, by Daejung Chemicals (1 mentions)

2 protocols using graphitized carbon black (gcb)

Analytical Standards for Nucleotides

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Analytical standards of adenine (Ade), adenosine 5′-diphosphate (ADP) and adenosine 5′-triphosphate (ATP) were obtained from Bio Basic Inc. (Toronto, Canada); adenosine 5′-monophosphate (AMP) was obtained from MP Biomedicals™, (State, USA). Isotope-labelled internal standard AMP¹⁵N₅ was purchased from Sigma–Aldrich, (St., USA).
Ultrapure water (Milli-Q) was produced by a Millipore system (France). Acetic acid and citric acid were obtained from Sigma–Aldrich, St. Louis, USA. Ammonia water (28%) was acquired from Nihon Shiyaku Reagent, Japan. The three kinds of sorbents used in dispersive solid phase extraction (dSPE) step are listed below: Primary and secondary amine (PSA) SPE bulk sorbent (Agilent Technologies, USA), C18 Endcapped SPE bulk sorbent (C18EC), 57.9 μm, 59 A (Agilent Technologies, USA), Graphitized Carbon Black (GCB) (Waters, Ireland). The Oasis^® MAX Cartridge used in solid phase extraction (SPE), 30 μm (Waters, USA).

Liao W.R., Huang J.P, & Chen S.F. (2020). Quantification of adenosine Mono-, Di- and triphosphate from royal jelly using liquid chromatography - Tandem mass spectrometry. Journal of Food and Drug Analysis, 28(3), 365-374.

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Quantification of Chlorothalonil in Food

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Chlorothalonil (99.5% purity) was purchased from Sigma-Aldrich (Buchs, Switzerland), and its physicochemical characteristics are listed in Table 1. HPLC-grade acetonitrile was obtained from Merck (Darmstadt, Germany). Formic acid was obtained from Daejung (Siheung, Republic of Korea). QuEChERS salt extraction kits (Original, EN 15662, AOAC 2007.01) were purchased from Chromatific (Heidenrod, Germany). Primary secondary amine (PSA) was purchased from Agilent Technologies (Santa Clara, CA, USA), and octadecylsilane (C₁₈) and graphitized carbon black (GCB) were purchased from Waters (Leinster, Ireland). The polytetrafluoroethylene syringe filters (PTFE, 0.45 µm pore size) were purchased from Thermo Fisher Scientific (Waltham, MA, USA).

Yun D.Y., Bae J.Y., Park C.W., Jang G.H, & Choe W.J. (2023). Determination of Modified QuEChERS Method for Chlorothalonil Analysis in Agricultural Products Using Gas Chromatography–Mass Spectrometry (GC-MS/MS). Foods, 12(20), 3793.

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