06.09.2016

Shimadzu TOC-L

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Shimadzu TOC-L total organic carbon analyzer

ShimadzuTOClaite.jpg

Shimadzu TOC-L elemental analyzer. (Picture taken by Saku Mattila.)


Name and Model (Year of Manufacture / Installation)

Shimadzu TOC-L (2012/2012)

General Information

Elemental analyzer for determination of Total Carbon (TOC) from liquid samples.

Hiilianalysaattori. TOC-laite nestemäisille näytteille.

Key Specifications        

Parts of the system:

  • Main unit (TOC-L)
  • Total Nitrogen Unit (TNM-L)
  • Autosampler (ASI-L)

General specifications


Measured items:

  • TC (total carbon)
  • IC (inorganic carbon)
  • TOC (total organic carbon), = TC-IC
  • NPOC (Non-Purgeable Organic Carbon), TOC measurement via acidification and sparging

Sample form: liquids

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

Carrier gas: High-purity air (CO, CO2, HC content: Each 1 ppm max., dew point: -50 °C max.) Supply pressure: 200 ± 10 kPa (Additional use of optional carrier gas regulator: 300 to 600 kPa) Optional use of nitrogen gas (not possible in the TN measurement). With the standard model, optional use of pressurized gas

Detection limit

  • total carbon (TC): 50 µg/L,
  • IC: 4 µg/L
  • total nitrogen (TN): 20 µg/L

Measurement range:

  • TC: 0 to 30 000 mg/L
  • IC: 0 to 3000 mg/L

Reproducibility: TC, NPOC: CV 1.5 % max. or ±50 µg/L max, IC: CV 1.5 % max. or ±4 µg/L max

Measuring time: TC: approx. 3 min, IC: approx. 4 min

Sample injection: Automatic sample injection using a syringe pump and slide type injection mechanism.

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×)

 

Total nitrogen unit (TNM-L)

  • Measurement method: Chemiluminescence
  • Measurement range: 0 to 10000 mg/L
  • Measurements over a wide range with a detection limit of 5 μg/L for TOC-LC*H to an upper limit of 10,000 mg/L.
  • Detection limit:
    • 5 µg/L (CPH, CSH)  
    • 20 µg/L (CPN, CSN)
    • Reproducibility: CV 3 % max.
    • Measuring time: approx. 4 min
    • Ozone source gas: air (compressed or housing air) 500 mL/min
    • Simultaneous measurements of TOC and TN (However TOC analysis using high-sensitivity catalysts is impossible)

 

Main unit (TOC-L)

  • Wide measurement range from 4 µg/L to 30,000 mg/L (TC)

ASIL.jpg

Autosampler ASI-L (Picture by Saku Mattila.)

Autosampler (ASI-L)

  • Vial types: Select from three types: 9 mL, 24 mL, 40 mL.
  • Number of vials: 9 mL: 93, 24 mL: 93, 40 mL: 68
Key Features

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Location, Contact Person

Department of Biological and Environmental Science; Ambiotica, YAD 215.1 /   Leena Siitonen