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We've made it easy for you to find your equivalent calibration gas. Just enter your part number in the search box (top right of every page). Or use the filters in the left column to narrow in on your calibration gas. Save up to 50% of the cost of brand name gases. We supply identical mixtures with ISO and NIST certification.
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RKI Instruments 81-0185RK-04 Replacement Calibration Gas - 0.5 PPM Phosphine (29 Liter)
$232.000.5 PPM Phosphine Calibration Gas, Balance Nitrogen, 29 Liter Aluminum Cylinder (RKI Instruments 81-0185RK-04 Equivalent). -
RKI Instruments 81-0185RK-02 Replacement Calibration Gas - 0.5 PPM Phosphine (58 Liter)
$351.000.5 PPM Phosphine Calibration Gas, Balance Nitrogen, 58 Liter Aluminum Cylinder (RKI Instruments 81-0185RK-02 Equivalent).
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