TPH (Total Petroleum Hydrocarbons)
TPH (Total Petroleum Hydrocarbons)
Page 6 of 12
TPHSoil_None_Other_IMM_Eng_Ody.fm
Measuring the Color
5.
Label and fill a
Zeroing Cuvette with
deionized water. Wipe
the outside of all the
cuvettes with a tissue to
remove water, smudges,
and fingerprints.
6. Install the 1-cm
square cell adapter.
Note: See Section 2.6 Sample
Cell Adapters in the Instrument
Manual for adapter installation
details.
Place the filled zeroing
cuvette into the cell
holder—arrow pointing
towards the left side of the
instrument.
Orient the arrow in the
same direction for all
cuvettes.
7. Touch Zero.
The display will show:
0.000 Abs
8. Place the first
calibrator into the cell
holder.
Touch
Read.
The display will give an
absorbance reading.
Record the results for each
calibrator and sample.
9. Repeat step 8 for all
remaining calibrators and
samples.
See Interpreting and
Reporting Results on page 8
for help with
interpretation of results.
DI
HO
2
Zero
Repeat
Step 21
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