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Silica gel 70 230 mesh astm

Manufactured by Merck Group
Sourced in United States

Silica gel (70-230 mesh ASTM) is a porous, granular material composed of silicon dioxide. It is a commonly used desiccant and adsorbent in various laboratory and industrial applications.

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2 protocols using silica gel 70 230 mesh astm

1

Extraction and Characterization of PAHs from Rabbit Meat

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Fluoranthene, phenanthrene, naphthalene, and silica gel (70‐230 mesh ASTM) were obtained from Merck. Fluorene and pyrene from Hopkin Williams LTD, whereas acenaphthalene, benzopyrene, and anthracene were bought from BDH. HPLC grade solvents, like n‐hexane, dichloromethane, and acetonitrile, were purchased from Samchun. Potassium hydroxide was bought from Scharlau while methanol and anhydrous sodium sulfate from Daejung. Rabbit meat was bought from the local market of Faisalabad, Pakistan.
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2

Analytical Standards Preparation Protocol

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BaA, Chr, BbF, and BaP analytical standards were purchased from Supelco Inc. (St. Louis, MO, USA). HPLC grade ethyl acetate and acetonitrile (ACN) were purchased from J.T. Baker (USA), reagent grade anhydrous MgSO 4 and NaCl were purchased from Synth (Diadema, SP, Brazil), primary secondary amine sorbent (PSA) (40 µm particle size) was purchased from Varian (USA), and silica gel (70-230 mesh, ASTM) was purchased from Merck (Darmstadt, Germany). Magnesium sulphate was heated in a muffle furnace at 500°C for 5 h. Water was obtained from a Millipore Milli-Q water purification system (Bedford, MA, USA) and Agilent RC 0.45 µm filters (Santa Clara, CA, USA) were used for the filtration prior to injection.
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