G - Physics – 01 – N
Patent
G - Physics
01
N
150/26
G01N 21/78 (2006.01) G01N 33/30 (2006.01)
Patent
CA 2011147
ABSTRACT OF THE DISCLOSURE A method for testing for glycol contamination in oil, comprising the following steps. Prepare a water base mixture consisting of 10 milliliters of distilled water, .25 grams of potassium periodate and .25 grams of ammonium chloride. Add to the water base mixture at room temperature 3 milliliters of well mixed oil. Agitate the combined oil and water base mixture for a minimum of 15 seconds; the potassium periodate and ammonium chloride act to breakdown glycol present in the oil and water base mixture to form formaldehyde. Invert the oil and water base mixture and let it stand for a minimum of 5 seconds; it separates into a water layer and an oil layer. Drain the water layer. Add to the water layer .01 grams of an indicator chemical for the detection of formaldehyde. Agitate the water layer and indicator chemical. Add to the water layer 3 milliliters of .2 molar solution of sodium hydroxide to form an alkaline solution conducive to a colourmetric reaction by the indicator chemical. Let stand for approximately 1 minute and observe for colourmetric reaction.
Doby Douglas E.
Thompson Lambert Llp
LandOfFree
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