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Halo, Saya Pebisnis Saya mengenal produk ini dari https://www.indotrade.com dan saya lihat hal ini mungkin berguna untuk anda. ------------------------------------------------------- TPH ANALYZER TOTAL PETROLEUM HYDROCARBON Detection of total petroleum hydrocarbons ( TPH) in soil can indicate contamination from leaking under- ground storage tanks ( USTs) , petroleum refineries, or other fuel sources. The RemediAid™ Total Petroleum Hydrocarbon Test is a rapid, simple field test for measuring aromatic petroleum hydrocarbon contamination in soil. The patented test is based upon the Friedel-Crafts Reaction with one fundamental difference— the intermediate that is formed in the solvent is the colored species that is measured. The RemediAid Test determines TPH across a wide range of soil types and petroleum products. RemediAid allows the user to analyze for specific fractions, including: BTEX, PAH, diesel fuel, leaded and unleaded gasoline, weathered gasoline, brent crude, and lubricating oil. In the test method, a pre-measured sample of soil is added to a reaction tube that contains anhydrous sodi- um sulfate, a drying agent. A pre-measured volume of dichloromethane is then added to the reaction tube. This organic solvent extracts the petroleum hydrocar- bons from the soil sample. In order to remove polar hydrocarbons and color interferences, the soil extract is treated with Florisil. Finally, a vacuum-sealed ampoule, containing aluminum chloride, draws in a predetermined volume of the hydrocarbon-containing solvent. The hydrocarbons in the solvent react with the aluminum chloride to produce a soluble colored 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. Ranges : Unleaded Gasoline: 40-330 mg/ kg Weathered Gasoline: 40-320 mg/ kg Diesel: 60-750 mg/ kg Brent Crude: 60-680 mg/ kg Lube Oil: 160-1730 mg/ kg BTEX: 20-120 mg/ kg Leaded Gasoline: 40-400 mg/ kg PAH ( 18 component mixture) : 8-70 mg/ kg Method: Friedel Crafts Untuk informasi selengkapnya, silahkan ke http://www.indotrade.com/MultronTopIndonesia/2263236
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