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New Dichloromethane for TPH Analysis

Total Petroleum Hydrocarbons (TPH) is the term used to describe the quantity of hydrocarbons derived from petroleum extracted and quantified by a particular method in an environmental matrix.

The TPH value is determined as the sum of the variations of n-alkanes and complex mixtures between n-nonane (C9) and n-hexatriacontane (C36), excluding polycyclic aromatic hydrocarbons. This determination is very important in the analysis of water and soil samples with possible contamination by oil residues.

Scharlab launches its new Dichloromethane for TPH Analysis (CL0353), ideal and specifically tested for this determination. The specifications of this new solvent are:

• 35 different alkanes are analysed, from n-octane (C8) to n-tetracontane (C40)
• Total impurities less than 30 ppm are guaranteed in each of the 4 analysis ranges
• There will be no individual impurity above 7.5 ppm

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