Customer Service

 Customer Survey

LABConnect™ - Online Results & More

Tutorial | Create Account | Login

Carbon - Total Organic (TOC)

Category Environmental Chemistry Lab Services
Test Carbon - Total Organic (TOC)
Description

SCOPE AND APPLICATION

Method 9060 is used to determine the concentration of organic carbon in ground water, surface and saline waters, and domestic and industrial wastes. Some restrictions are noted in Sections 2.0 and 3.0.

Method 9060 is most applicable to measurement of organic carbon above 1 mg/L.

SUMMARY OF METHOD

Organic carbon is measured using a carbonaceous analyzer. This instrument converts the organic carbon in a sample to carbon dioxide (CO2) by either catalytic combustion or wet chemical oxidation. The CO2 formed is then either measured directly by an infrared detector or converted to methane (CH4) and measured by a flame ionization detector. The amount of CO2 or CH 4 in a sample is directly proportional to the concentration of carbonaceous material in the sample.

Carbonaceous analyzers are capable of measuring all forms of carbon in a sample. However, because of various properties of carbon-containing compounds in liquid samples, the manner of preliminary sample treatment as well as the instrument settings will determine which forms of carbon are actually measured. The forms of carbon that can be measured by Method 9060 are:

Soluble, nonvolatile organic carbon: e.g., natural sugars.

Soluble, volatile organic carbon: e.g., mercaptans, alkanes, low molecular weight alcohols.

Insoluble, partially volatile carbon: e.g., low molecular weight oils.

Insoluble, particulate carbonaceous materials: e.g., cellulose fibers.

Soluble or insoluble carbonaceous materials adsorbed or entrapped on insoluble inorganic suspended matter: e.g., oily matter adsorbed on silt particles.

Carbonate and bicarbonate are inorganic forms of carbon and must be separated from the total organic carbon value. Depending on the instrument manufacturer's instructions, this separation can be accomplished by either a simple mathematical subtraction, or by removing the carbonate and bicarbonate by converting them to CO2 with degassing prior to analysis.


Ann Arbor, MI (LAB 08) - NVLAP Lab Code 101048-4Atlanta, GA (LAB 07) - NVLAP Lab Code 101048-1Baton Rouge, LA (LAB 25) - NVLAP Lab Code 200375-0Beltsville, MD (LAB 19) - NVLAP Lab Code 200293-0Boston, MA (LAB 13) - NVLAP Lab Code 101147-0Buffalo, NY (LAB 14) - NVLAP Lab Code 200056-0Carle Place, NY (LAB 06) - NVLAP Lab Code 101048-10Charlotte, NC (LAB 41) - NVLAP Lab Code 200841-0Chicago, IL (LAB 26) - NVLAP Lab Code 200399-0Cinnaminson, NJ (LAB List in Description) - NVLAP Lab Code 101048-0Dallas, TX (LAB 11) - NVLAP Lab Code 600111-0Denver, CO (LAB 22) - NVLAP Lab Code 200828-0EMSL Canada - Calgary, AB (LAB 65) - NVLAP Lab Code 500100-0EMSL Canada - Montreal, QC (LAB 68) - NVLAP Lab Code 201052-0EMSL Canada - Ottawa, ON (LAB 67) - NVLAP Lab Code 201040-0EMSL Canada - Toronto, ON (LAB 55) - NVLAP Lab Code 200877-0EMSL Canada - Vancouver, BC (LAB 69) - NVLAP Lab Code 201068-0Fort Lauderdale, FL (LAB 56) - NVLAP Lab Code 500085-0Houston, TX (LAB 15) - NVLAP Lab Code 102106-0Huntington Beach, CA (LAB 33) - NVLAP Lab Code 101384-0Indianapolis, IN (LAB 16) - NVLAP Lab Code 200188-0Inland Empire (Ontario), CA (LAB 71) - NVLAP Lab Code 600239-0Jacksonville, FL (LAB 54) - NVLAP Lab Code 600265-0Kernersville, NC (LAB 02) - NVLAP Lab Code 102104-0Las Vegas, NV (LAB 31) - NVLAP Lab Code 600140-0Miami, FL (LAB 17) - NVLAP Lab Code 200204-0Minneapolis, MN (LAB 35) - NVLAP Lab Code 200019-0New York, NY (LAB 03) - NVLAP Lab Code 101048-9Orlando, FL (LAB 34) - NVLAP Lab Code 101151-0Phoenix, AZ (LAB 12) - NVLAP Lab Code 200811-0Piscataway, NJ (LAB 05) - NVLAP Lab Code 101048-2Plymouth Meeting, PA (LAB 18) - NVLAP Lab Code 200699-0Raleigh, NC (LAB 29) - NVLAP Lab Code 200671-0Rochester, NY (LAB 53) - NVLAP Lab Code 600183-0Salem, NH (LAB 23) - NVLAP Lab Code 201051-0San Diego, CA (LAB 43) - NVLAP Lab Code 200855-0San Leandro, CA (LAB 09) - NVLAP Lab Code 101048-3Seattle, WA (LAB 51) - NVLAP Lab Code 200613-0South Pasadena, CA (LAB 32) - NVLAP Lab Code 200232-0South Portland, ME (LAB 62) - NVLAP Lab Code 500094-0St. Louis, MO (LAB 39) - NVLAP Lab Code 200742-0Tampa, FL (LAB 93) - NVLAP Lab Code 600215-0Wallingford, CT (LAB 24) - NVLAP Lab Code 200700-0West Palm Beach, FL (LAB 57) - NVLAP Lab Code 600206-0
Sorry, this function is disabled.