The O.I. Analytical Model 1020A Total Organic Carbon Analyzer is an automated system for the selective analysis of total carbon (TC), total organic carbon (TOC), total inorganic carbon (TIC), and purgeable organic carbon (POC) in aqueous samples. The 1020A employs high temperature combustion oxidation, coupled with nondispersive infrared detection technology, for efficient, selective detection of carbon in a wide variety of matrices. This combustion instrument was designed specifically to comply with USEPA, Standard Methods, and ASTM methodologies for the analysis of water with higher levels of carbon as found in wastewater and marine waters.
Specifications
| Type | Specifications |
|---|---|
| Range* | • 25 ppb–10,000 ppmC |
| Precision* | • TC/TIC/TOC: 2% RSD, 100 ppb–5,000 ppm • POC: 3% RSD |
| †Time of Analysis | • TC/TIC/TOC: 5–7 min total • POC: 5–7 min total |
| Particulates | • <400 µm |
| Dimensions | 17″ H x 13.5″ W x 22″ D |
| Analysis Modes | • TC, TIC, TOC by difference, NPOC, and POC |
| Method | • TC: 680°C with platinum catalyst • TC: 900°C with zirconium packing • TIC: acidification (H3PO4) and sparging • Furnace temperature: adjustable, 200°–950°C in 1°C increments |
| Sample Introduction | • Fixed volume sample loops: 25 µL, 50 µL, 100 µL, 200 µL, and 400 µL • Sipper tube • Autosampler (14- or 40-mL vials) |
| Oxygen Gas Requirements | • <1 ppm CO2, CO, and THC at 50–60 psig (345–415 kPa) • Recommended grade: UHP grade (99.998%) or better • Consumption: approximately 550 mL/min |
| Nitrogen (for POC Option) Gas Requirements | • <1 ppm CO2, CO, and THC at 50–60 psig (345–415 kPa) • Recommended grade: UHP grade (99.998%) or better • Consumption: approximately 70 mL/min |
| Reagent Requirements | • Phosphoric acid (H3PO4), 5% v/v (uses 0.2 mL/sample under normal operating conditions) |
| Environmental Requirements | • Temperature: 10°–40°C • Relative humidity: <90%, noncondensing |
| Detector | • Nondispersive infrared cell • Path length: 4.3″ (11 cm) |
| Output | • Parallel and serial communications (RS-232-C) • Auxiliary output for optional equipment |
| Options | • WinTOC (Windows-based) software • Solids TOC Analyzer • POC Module • Model 1051 Vial Autosampler with variable-speed stirring (53- or 88-position) • Printer (dot matrix) |
* The range and precision of analysis is affected by sample introduction, sample size, cleanliness of sample
containers, reagent purity, gas purity, and good laboratory practices.
† Time is dependent on sample properties and may vary with the matrix.
