Items

High-Sensitivity Model

Standard Model

Model

TOC-LCPH

TOC-LCSH

TOC-LCPN

TOC-LCSN

Measurement Method

680 °C combustion catalytic oxidation – non-dispersive infrared detection (NDIR) method

Operation Method

PC-controlled

Standalone *PC control available

PC-controlled

Standalone *PC control available

Measured Items

TC, IC, TOC (= TC-IC), NPOC (TOC measurement via acidification and sparging)  *Option: POC, TOC (= NPOC + POC), TN

Applicable Samples

Aqueous (optional solid/gas samples)

Measurement Range

TC: 0 to 30,000 mg/L
IC: 0 to 35,000 mg/L
(Option)
TN: 0 to 10,000 mg/L
POC: 0 to 500 mg/L

TC: 0 to 30,000 mg/L
IC: 0 to 3,000 mg/L
(Option)
TN: 0 to 10,000 mg/L
POC: 0 to 500 mg/L

Detection Limit

TC, IC: 4 µg/L, TN: 5 µg/L

TC: 50 µg/L, IC: 4 µg/L, TN: 20 µg/L

Reproducibility

TC, IC, NPOC: CV 1.5 % max. or ±4 µg/L max
(Optional TN: CV 3.0 % max. or ±5 µg/L max)

TC, NPOC: CV 1.5 % max. or ±50 µg/L max, IC: CV 1.5 % max. or ±4 µg/L max
(Optional TN: CV 3.0 % max. or ±20 µg/L max)

Measuring Time

TC: approx. 3 min, IC: approx. 3 min (Optional TN: approx. 4 min)

TC: approx. 3 min, IC: approx. 4 min (Optional TN: approx. 4 min)

Sample Injection

Automatic sample injection using a syringe pump and slide type injection mechanism

Sample Injection Volume

10 to 2,000 μL variable

TC: 10 to 150 μL variable, IC: 10 to 450 μL variable

IC Removal

Automatic addition of acid and sparging

Sample Dilution

Dilution rate of 2× to 50× (automatic sample dilution by syringe pump), dilution accuracy: ±2 % max. (2× to 20×), ±5 % max. (21× to 50×)

Display and Operations

Operated by PC

Operation by color LCD screenand keyboard*Operation by PC is also possible

Operated by PC

Operation by color LCD screenand keyboard*Operation by PC is also possible

Printer
(Standalone Type)

PC USB printer can be used