Indian Council of Agricultural Research
(Agricultural Knowledge Management Information System)

ICAR-Directorate of Groundnut Research, Ivnagar Road, P.B.No.5, Junagadh-362001 Gujarat (
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Instrument Details
Instrument/Facility Name: Total Organic Caron Analyzer (TOC)
Make                                   : Shimadzu, Singapore
Model                                  : TOC-LCSH+SSM 5000A
Specification   :Estimates total carbon (TC), total organic carbon (TOC), inorganic carbon (IC), non-purgeable organic carbon (NPOC) from both solid and liquid samples. Detection range for total carbon is 4 ug/L to 30,000 mg/L and can measure TC in 3 min. This instrument is equipped with automatic sample dilutor

Click to View1. Uses 680 °C combustion catalytic oxidation – non-dispersive infrared detection (NDIR) method 2. Estimates TC and IC in less than 3 min and also further measures NPOC, TOC 3. Automatic sample injection using a syringe pump and slide type injection mechanism

  Working Principles
Click to ViewTOC measurement Samples are combusted by heating at 680°C (combustion catalytic oxidation method) in an oxygen-rich environment inside TC combustion tubes filled with a platinum catalyst. The carbon dioxide generated by oxidation is detected using non-dispersive infrared gas analyzer (NDIR). The concentration of TC in the sample is obtained through comparison with a calibration curve. Furthermore, by subjecting the oxidized sample to the sparging process, the IC (inorganic carbon) in the sample is converted to carbon dioxide, and the IC concentration is obtained by detecting with NDIR. NPOC (non-purgeable organic carbon) Measurement In water and other samples in which the IC component of the total carbon (TC) is extremely large. The organic carbon is usually measured via an NPOC measurement. By sparging samples to which a small amount of hydrochloric acid has been added, the IC in the sample is converted to carbon dioxide, which is removed and POC (purgeable organic carbon) may also be lost, and the TOC is obtained by measuring the TC in the treated sample, which is referred as NPOC

  User Instructions
 Environmental  Pharmaceutical Drug research  Geochemical/Mining Industry  Agriculture 1. Provide minimum of 5 g solid or 10 ml liquid sample 2. Don’t provide samples having high salt content

  Contact Us
Contact No. 0285 2673041
Email Id

  Total Organic Caron Analyzer (TOC) Charges
Procedure Name
National LAB/R&D
Only TC (Total carbon)
Per Sample,(Rs.) including GST
TOC (Total organic carbon), TC, IC
Per Sample,(Rs.) including GST
Only IC (Inorganic carbon)
Per Sample,(Rs.) including GST
NPOC (Non-purgeable organic carbon)
Per Sample,(Rs.) including GST

Additional Rs 100/-towards postal charges if result are to be posted
The Demand Draft should be in favour of "ICAR-Directorate of Groundnut Research, Junagadh OR Electronic transfer to ICAR-Directorate of Groundnut Research, Junagadh (ACC No: 10283132519 IFSC Code: SBIN0003251"
Letter, DD & Samples send to "Director, ICAR-Directorate of Groundnut Research, PB 5, Junagadh, Gujarat, India-362001"