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Visible-Near Infrared Wavelength Reference Material GBW(E)130550
Instruments & MetersNegotiable
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Infrared Wavenumber Standard Substance (Polystyrene) GBW(E)130181
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Spectrally Neutral Filter for Calibration of Enzyme-Linked Immunoassay Analyzers
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Standard neutral density filter for particulate matter calibration in non-industrial and non-mining conditions.
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HR-1 pH Meter Calibration Instrument Special Sampling Resistor for Verification
Instruments & MetersNegotiable
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