GFS Chemicals Chemicals Standards D
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DISODIUM EDTA, Primary Standard
GFS ChemicalsComplexing agent used to determine many metal ions by titration
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Didymium Oxide Wavelength Calibration Standard
GFS ChemicalsDidymium oxide (4%) in 10% v/v perchloric acid. Sealed in a far UV quartz cell for wavelength scale accuracy. For both UV and visible region of the spectrum.
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DIPHENYLGUANIDINE, Primary Standard
GFS ChemicalsStandard material for acids especially in non-aqueous titration
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