Benchmark TD-550 - Analysis Using Heavier than Water Extraction Solvents

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TD-550/560 Oil in Water Analyzer fastHEX™ Analysis Method

PN 106737

REV H

TD-550/560 Oil in Water Analyzer

Operation Manual

10. On the Home screen select a saved calibration in the Calibrations list (1).

NOTE: If you have not calibrated the analyzer, follow the calibration procedure in Section 5 No-

Solvent Analysis Method.

11. If applicable, select a saved location from the Locations list (2), or tap New to create a location.

12. Tap Read (3). A new reading is stored in the Reading History screen.

13. If measuring an unknown sample, you should always check for linearity as discussed in

Section 6 Troubleshooting. This is especially important when measuring clear oils as you

cannot visually determine whether the extract is in the linear range relative to the standard

solution.

14. Dispose of the water, extraction solvent, cuvette and prescription bottle in a safe,

environmentally responsible manner, in accordance with your company’s procedures.

NOTE: For measurement of samples with expected concentrations near zero, see Section 6

Troubleshooting for suggestions on how to express the results.

For video tutorials on analyzing samples, see the How to Video Library on the Help & Settings

screen.

4.6 ANALYSIS USING HEAVIER THAN WATER EXTRACTION

SOLVENTS

This procedure is for use with heavier than water extraction solvents such as:

• Vertrel MCA

• Freon

• Ashikleen AK-225

• Chloroform

• Carbon Tetrachloride

• Horiba S-316

• Methylene Chloride

For the calibration procedure, see Section 5 No-Solvent Analysis Method.

NOTE: Please use this procedure even if your solvent is not listed above and you are using heavier

than water extraction solvent.