Carbonate Test
Carbonate Test :
(n.) Drilling Fluids. An analytical procedure to determine the concentration of carbonate species using the Garrett Gas Train (GGT) when performed to API specifications. A water mud filtrate sample is put into the GGT. N2 or N2O is the carrier gas. A CO2 Drdger tube is used to measure the total carbonates released as CO2 when sulfuric acid is added to the chamber containing the sample. Total carbonates are measured by the amount of CO2 evolved in the test. See: alkalinity test, carbon dioxide, carbonate ion, siderite, sodium bicarbonate, sodium carbonate
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