CoCl 2 Á6H 2 O, CuSO 4 Á5H 2 O, monochloroacetic acid (99%), CH 3 -COONaÁ3H 2 O and isopropanol were purchased from Synth (Brazil). 1,2,4-Benzenetricarboxylic anhydride (Trimellitic anhydride, TA) (97%) (cat no. 552-30-7), Whatman Ò cellulose chromatography papers (20 Â 20 cm) (cat no. WHA3001861) and 3 Å molecular sieve (cat no. 69839) were purchased from Sigma-Aldrich (Brazil). NiCl 2 Á6H 2 O, glacial acetic acid (99.5%), NaOH, HCl (37% w/w), acetone, N,N-dimethylacetamide (DMA) and pyridine (Py) were purchased from Vetec (Brazil). Quantitative filter paper (black ribbon, JP-41, cat no. 3509-1, 12.5 cm diameter, ash content of 0.00009 g and grammage of 80 g cm À2 ) was purchased from JProlab (Brazil). Py was refluxed in a 2 L round-bottom flask with NaOH pellets for 12 h, distilled and stored in flat-bottom flasks containing NaOH pellets before use. Molecular sieve was previously activated in an oven at 150 °C for 2 h. DMA was stored with molecular sieve (3 Å) before use. All metal ion solutions used in the adsorption studies were buffered. Buffers consisting of 0.05 mol L À1 CH 2 ClCOOH/CH 2 ClCOONa (pH from 2.0 to 3.5) and 0.05 mol L À1 CH 3 COOH/CH 3 COONa (pH from 4.0 to 5.5) were prepared in deionized water (Millipore, model Milli-Q Ò ).
1 2 4 benzenetricarboxylic anhydride trimellitic anhydride ta
Manufactured by Merck Group
Sourced in Brazil
1,2,4-Benzenetricarboxylic anhydride (Trimellitic anhydride, TA) is a chemical compound used as an intermediate in the production of various materials. It is a white crystalline solid with the molecular formula C6H3(CO)2O. TA is commonly employed in the synthesis of polymers, resins, and other specialty chemicals.
Automatically generated - may contain errors
Lab products found in correlation
Sodium hydroxide (naoh), by Vetec (2 mentions)
Pyridine py, by Vetec (2 mentions)
Hydrochloric acid (hcl), by Vetec (2 mentions)
Glacial acetic acid, by Vetec (2 mentions)
Acetone, by Vetec (2 mentions)
3 molecular sieve, by Merck Group (1 mentions)
Whatman, by Cytiva (1 mentions)
Nicl 2 6h 2 o, by Vetec (1 mentions)
2 protocols using 1 2 4 benzenetricarboxylic anhydride trimellitic anhydride ta
1
Adsorption Studies of Metal Ions
2
Synthesis and Characterization of Metal-Organic Frameworks
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CoCl 2 •6H 2 O, CuSO 4 •5H 2 O, CH 3 COONa•3H 2 O, monochloroacetic acid (99%), and isopropanol were purchased from Synth (Brazil). 1,2,4-Benzenetricarboxylic anhydride (trimellitic anhydride, TA) (97%) (cat no. 552-30-7) and 3 Å molecular sieve (cat no. 208582) were purchased from Sigma-Aldrich (Brazil). NiCl 2 •6H 2 O, glacial acetic acid (99.5%), NaOH, HCl (37% w/w), acetone, N,Ndimetylacetamide (DMA), and pyridine (Py) were purchased from Vetec (Brazil) . Quantitative filter papers (blue ribbon, JP 41, cat no. 3509-1, 12.5 cm diameter, ash content of 0.00009 g, and grammage of 80 g/cm 2 ) were purchased from JProlab (Brazil). Before use, DMA was stored with molecular sieves (3 Å) that had been previously activated in an oven at 150 • C. Py was refluxed in a round-bottomed flask with NaOH pellets for 12 h and distilled before use.
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