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U heeft gezocht op: 2,2-Diphenyl-1-picrylhydrazyl (free radical)


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2,2-Diphenyl-1-picrylhydrazyl (free radical) ≥95%

Leverancier: Thermo Fisher Scientific
Omschrijving: 2,2-Diphenyl-1-picrylhydrazyl is used as a sensitive colorimetric free radical scavenger. It serves as a general antioxidant detector. It is utilized to monitor chemical reactions involving radicals as well as a standard of the position and intensity of electron paramagnetic resonance signals. Further, it is employed in the quantitative determination of aliphatic and aromatic thiols by indirect spectroscopy and for photometric determination of tocopherol.

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2,2-Diphenyl-1-picrylhydrazyl (free radical) ≥97.0% (by HPLC)

Leverancier: TCI
Omschrijving: 2,2-Diphenyl-1-picrylhydrazyl (free radical) ≥97.0% (by HPLC)

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2,2-Diphenyl-1-picrylhydrazyl (free radical) ≥95%, crystalline solid

Leverancier: Cayman Chemical
Omschrijving: DPPH, known formally as 2,2-diphenyl-1-picrylhydrazyl, is a cell-permeable, stable free radical that is commonly used to evaluate the ability of compounds to act as free radical scavengers or hydrogen donors and to measure the antioxidant activity of tissue extracts.

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