Total Petroleum
Hydrocarbons (TPH) in Soil
www.chemetrics.com | 1-800-356-3072
Method Instrumental Kit
References: U.S. Patent #5,834,655. U.S. Patent
#4,992,379. EPO Application #94 302 944. Roberts, R.
Ranges
1
:
M. and Khalaf, A. A., Friedel Crafts Alyklation
Unleaded Gasoline: 40-370 mg/kg
Chemistry: A Century of Discovery, Marcel Dekker,
Weathered Gasoline: 40-360 mg/kg
Inc., NY, p. 790 (1984). Schmid, George H., Organic
Diesel: 60-880 mg/kg
Chemistry, Mosby-Yearbook, Inc., QD251.2S354, p. 935 Brent Crude: 60-770 mg/kg
(1996). Lube Oil: 160-2160 mg/kg
Detection of total petroleum hydrocarbons (TPH) in
BTEX: 20-150 mg/kg
soil can indicate contamination from leaking under- Leaded Gasoline: 40-470 mg/kg
ground storage tanks (USTs), petroleum refineries, or
PAH (18 component mixture): 8-70 mg/kg
other fuel sources.
Method: Friedel Crafts
The RemediAid™ Total Petroleum Hydrocarbon Test
Kit is a rapid, simple field test for measuring aromatic
Cat#
TPH Kit K-9310
petroleum hydrocarbon contamination in soil. The
patented test is based upon the Friedel-Crafts Reaction
TPH Refill, 16 ampoule sets R-9310
with one fundamental difference—the intermediate
Kit comes in a plastic case and contains everything needed to perform 8 tests:
eight ampoule sets, TPH photometer, tip breaking tool, pocket scale, 3-channel
that is formed in the solvent is the colored species that
timer, TPH reaction tube plug/snapper, spatula (8 ea), 80 g bottle of sodium
sulfate, reagent blank ampoule, ampoule rack, 2 AA batteries, instruction book-
is measured.
let, instruction card, and MSDS.
The RemediAid Kit determines TPH across a wide
range of soil types and petroleum products.
RemediAid allows the user to analyze for specific Kit Components common to TPH
fractions, including: BTEX, PAH, diesel fuel, leaded and
Description Cat#
unleaded gasoline, weathered gasoline, brent crude,
Tip Breaking Tool (1 ea) A-0079
and lubricating oil.
Scale, Pocket (1 ea) A-0156
In the test method, a pre-measured sample of soil is
Timer, 3-Channel ( 1 ea) A-0157
Ampoule Rack, holds 36 (1 ea) A-0158
added to a reaction tube that contains anhydrous sodi-
Spatula Pack (50 ea) A-0160
um sulfate, a drying agent. A pre-measured volume of Reagent Blank Ampoule Pack (2 ea) A-0161
dichloromethane is then added to the reaction tube.
Sodium Sulfate, 80 g bottle A-0162
2
TPH Reaction Tube Plug/Snapper (1 ea) A-0168
This organic solvent extracts the petroleum hydrocar-
TPH Photometer (1 ea) A-9310
bons from the soil sample. In order to remove polar
hydrocarbons and color interferences, the soil extract
1
Expected dynamic range of the test in soil sample matrix (The
instructions include dilution procedures, if an extended range is
is treated with Florisil. Finally, a vacuum-sealed
required.).
ampoule, containing aluminum chloride, draws in a 2
Consumption of this accessory is solely dependent on the mois-
predetermined volume of the hydrocarbon-containing
ture content of the soil being tested. If the soil being tested has
solvent. The hydrocarbons in the solvent react with
a moisture content above 10%, the bottle of sodium sulfate will
be depleted after approximately 10 tests.
the aluminum chloride to produce a soluble colored
If no shelf-life is listed for a product, then the shelf-life is at least 2 years.
product directly proportional to the petroleum hydro-
carbon concentration in the sample. The absorbance
of the sample is measured in a portable, battery-pow-
ered, LED-based colorimeter and converted to mg/kg
hydrocarbon in the soil by use of a formula.
80
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