Total Organic Carbon Analyzer (TOC Analyzers)

A total organic carbon analyzer (also referred to as TOC analyzers) measures the amount of total organic carbon present in a liquid or water sample. TOC detection is important because of the effects that TOCs may have on health, not to mention the environmental effects and implications for the pharmaceutical manufacturing processes. Since all total organic carbon analyzers only measure total carbon, a TOC analyzer always requires some accounting for the inorganic carbon (IC) that is always present. TOC analyzers, including a portable TOC analyzer, utilize the same basic technique where acid is added to the liquid sample to remove IC. At this point, the IC is converted into carbon dioxide gas. It is then stripped out of the liquid by a carrier gas where the remaining inorganic carbon-free sample is then oxidized and the carbon dioxide generated from the oxidation process is directly related to the TOC total organic carbon in the sample. There are several methods for introducing the sample to TOC analyzers, including using a syringe, autosampler, and loop sampling. An important specification for total organic carbon analyzers is the measuring range. Carrier gas flow rate, average analysis time and process temperature are important as well for total organic carbon analysis.

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CompanyAnalytik JenaAnalytik JenaAnalytik JenaAnalytik Jena
Itemmulti X® 2500 AOX/TOX Analyzermulti N/C 2300multi N/C 3300multi N/C 4300 UV
Citations
(2)
Catalog Numbermulti X 2500
Price
Measurement Mode(s)Microcoulometry, NDIR, for AOX, EOX, POX, TOC, TX/TOXTC, TIC, TOC, DOC, NPOC, NPOCplus; optional TNb (CLD or ChD)TC, TIC, TOC, DOC, NPOC, NPOCplus; optional TNb (CLD or ChD); optional POC (particulate organic carbon)TC, TIC, TOC, DOC, NPOC, NPOCplus; optional solids TC/TOC/TIC (no TNb)
Oxidation MethodCombustionCatalytic high-temperature combustion up to 950°C; optional catalyst-free oxidation up to 1300°C (solids with HT 1300 module)Catalytic high-temperature combustion up to 950°C (liquids); catalyst-free oxidation up to 1300°C (solids, duo models)UV wet chemical digestion (high-power UV reactor, 254 nm and 185 nm wavelengths); optional non-catalytic high-temperature combustion up to 1300°C for solids (HT 1300 module)
Measuring RangeAOX/ EOX/ POX/ TX/ TOX determination - up to 1,000 µg Cl absolute
TOC determination - up to 10,000 mg/l TOC		0–30,000 mg/L C; TNb: 0–200 mg/L (CLD) or 0–100 mg/L (ChD)0–30,000 mg/L C; TNb: 0–200 mg/L (CLD) or 0–100 mg/L (ChD); Solids: 0–100 wt-%0–10,000 mg/L C
Detection LimitAOX/ EOX/ POX/ TX/ TOX determination - 10 ng Cl absolute
TOC determination - 0.2 mg/l		50 µg/L C; TNb (CLD): 5 µg/L; TNb (ChD): 50 µg/L4 µg/L C; TNb (CLD): 5 µg/L; TNb (ChD): 50 µg/L1 µg/L C
Sample Volumemax. 100 µl for EOX extracts and TX for liquid samples max. 100 mg for TX in solid samples.
TOC determination max. 500 µl of the water sample		10–500 µL (direct injection by microliter syringe)50–1000 µL (standard); 50–3000 µL (3300 HS model)50–20,000 µL (flow injection)
Measurement AccuracyInquireRSD 2–3%RSD 1–2%1–2%
Measuring TimeAOX/EOX/TX: approx. 8 - 10 min depending on concentration and application
TOC: approx. 3 - 5 min depending on concentration and application		3–5 min/sample3–5 min/sample3–5 min/sample
DescriptionIn environmental monitoring as well as in process and quality control, the determination of organic halogens which can be adsorbed by activated charcoal is very important for the evaluation of water and waste water. With the multi X® 2500, Analytik Jena provides a flexible, future-oriented system ... Read MoreInquireInquireInquire
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