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InfraCal TOG/TPH Analyzer, Model CVH Extraction Procedure. www.wilksIR.com. The sample extraction can be done using either a prescription bottle with a septa cap or a separatory funnel. Extraction using a prescription bottle with a septa cap. Collect a measured amount of sample.

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slide1

InfraCal TOG/TPH Analyzer,Model CVH

Extraction Procedure

www.wilksIR.com

slide2
The sample extraction can be done using either a prescription bottle with a

septa cap or a separatory funnel

slide5
For samples that will be stored for more than a day or for samples with a high pH:

Adjust the pH to less than 2 with Hydrochloric acid or Sulfuric Acid (typically 3-5 drops depending on buffers in sample)

slide6

10 parts sample to 1 part solvent

  • Add Solvent

For example:

For 150 ml of sample add

15 ml of solvent

slide18
Measure one tenth of the sample size of solvent

For example:

For 150 ml of sample add

15 ml of solvent

slide19
Pour the solvent into the sample collection container to rinse interior surfaces and cap of left over oil
slide29

Silica Gel Extraction

The difference between TPH (Total Petroleum Hydrocarbon) and TOG (Total Oil and Grease) is the polar organics are removed from the extract using silica gel. The remaining hydrocarbons are the non-polar components considered to be TPH

slide30

Silica Gel Extraction

  • Put filter paper into funnel
  • Add silica
slide31

Silica Gel Extraction

  • Put filter paper into funnel
  • Add silica
  • Put funnel into bottle
  • Put solvent extract through

silica gel

slide32

Silica Gel Extraction

  • Put filter paper into funnel
  • Add silica
  • Put funnel into bottle
  • Put solvent extract through

silica gel

slide33

Silica Gel Extraction

  • Put filter paper into funnel
  • Add silica
  • Put funnel into bottle
  • Put solvent extract through

silica gel

  • Put solvent extract into cuvette
slide34

Silica Gel Extraction

  • Put filter paper into funnel
  • Add silica
  • Put funnel into bottle
  • Put solvent extract through

silica gel

  • Put solvent extract into cuvette
  • Put cuvette into InfraCal frosted side to the front
slide37

InfraCal TOG/TPH Analyzer,Model CVH

Extraction Procedure

For questions please contact us at:

tech@WilksIR.com, or 203-855-9136