Sara method

Iatroscan TLC-FID is the fastest
and least expensive method
on the market for SARA analysis.

You can have Petroleum and Bitumen characterization within seconds.  A quick sample preparation and... not days or hours, just a few seconds. SARA analysis can apply to many components of crude oil.  Asphaltenes could be pentane-or heptane-insolubles. Resins may be classified as a solubility fractions, such as heptane-soluble and pentane-insoluble or heptane-soluble and acetone or ethyl acetate insoluble, or as the polar fraction eluted from a polar adsorbent with a polar solvent, such as pyridine, toluene or methanol. Saturates and Aromatics are determined by adsorption chromatography, through our patented Chromarod silica gel bars. Saturates are eluted with a paraffinic solvent, such as pentane or heptane.  Aromatics are eluted either with paraffinic or moderately polar solvents, such as toluene. Iatroscan standard method is IP 469 which determines all four compound classes by adsorption chromatography. True, there are other SARA analysis alternatives, including IP 143 followed by preparative HPLC (IP-368) or Clay-Gel (ASTM D-2007), which are more complicated and slower. Iatroscan is quick, precise, unexpensive. The best technology on the market for Petroleum and Bitumen analysis. Iatroscan is not only Sara analysis though : with Iatroscan you can also get Wax percentages in a flash! In fact this is also described as Asphaltene/Wax/Hydrate Deposition analysis.

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