OI Analytical 1030S TOC Solids Analysis Module
The 1030S Solids Module is a sample preparation module enabling the analysis of the total organic carbon (TOC) or total carbon (TC) content in solid materials. The 1030S module is operated in conjunction with an Aurora 1030W or 1030C TOC analyzer.
Principle of Operation
Total organic carbon (TOC) is determined by manually transferring and weighing a solid sample into a quartz sample cup. The total inorganic (TIC) content is removed from the sample by adding acid and heating to drive off CO2 released from inorganic carbon compounds. In the case of total carbon (TC) analysis, the pre-acidification step to remove TIC content is not required.
The sample cup with TIC-free sample is placed on the lift mechanism and raised into the into the combustion tube of the 1030S (1). The sample is heated to 500° - 900 °C inside the furnace. Organic matter in the sample is oxidized and converted to CO2 which is collected in a one liter capacity gas sampling bag (2). When the combustion cycle is complete an aliquot of the CO2 sample gas is transferred to the NDIR detector in the Aurora 1030 analyzer for measurement of the mass of carbon in the sample (3).
Specifications
Operation Principle
Catalytic combustion in oxygen
Sample Combustion Temperature
500 ˚C – 900 ˚C (in 1 ˚C increments)
Operating Modes
TC, TOC (requires pre-acidification and TIC bakeout)
Detection/Measurement
Non-dispersive infrared detector in Aurora
1030 TOC Analyzer
Measurement Range
0.05–mg C to 50-mg C (*determined using graphite)
Measurement Accuracy
10%
Sample Size (Mass)
50 µg to 2 grams (maximum) dependent upon carbon content
(10 to 100 mg typical)
Sample Cup Volume
Large: 2.5 mL Small: 1.0mL
Gas Sample Bag Volume
1 liter
Gas Replicates from Sample Bag
5 maximum
Gas Sample Aliquot Volume Range
(1030S + 1030W)
1 to 9 mL
(1030S + 1030C)
0.25 to 2 mL
Intra-sample Precision (Replicates from Gas Sample Bag)
< 3% RSD
Inter-sample Precision
< 10% RSD
Calibration
Single- or multi-point calibration (up to 12 points)
Sample Combustion/Analysis Cycle Time
14 minutes (typical)
Sample Preparation
TIC removal via preliminary manual, offline sample acidification
step and heating @ 75-500 ˚C (250 ˚C optimal)
Gas Requirements
Reaction/Carrier Gas: Oxygen > 99.8% purity, 20 psi (138 kPa)
Power Requirements
115 (±10%) VAC, 50/60 Hz, 500 VA
230 (±10%) VAC, 50/60 Hz, 500 VA
Power Consumption
480 VA under maximum load conditions
Dimensions
24 in. H x 8.125 in. W x 17.25 in D
(61 cm x 20.6 cm x 43.8 cm)
Weight
24 lbs (10.8 kg)
Patents
U.S. Patent No. 8,191,437
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