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 N/C® Series TOC/TNb Analyzersmulti EA® 5100 for Micro-Elemental Analysismulti N/C 3300multi N/C 4300 UV
Citations
(758)
Reviews
(1)
Catalog Numbermulti N/C Seriesmulti EA 5100
Price
Measurement Mode(s)TC, TIC, TOC, NPOC, POC, and TNbTOC, EOX or AOX/TOXTC, 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 MethodHigh temperature combustion / Wet chemical oxidation by UV radiation (254 nm+185 nm) /persulfate dependent on instrument configurationCombustionCatalytic 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 Range0–30,000 mg/L CCarbon - 100 wt-% (organics) 10,000 mg/L (water), Nitrogen - 10,000 mg/L, Sulfur - 40,000 mg/L, Chlorine - 100,000 mg/L0–30,000 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 Limit1 µg/L C - 50 µg/L C dependent on instrument configurationCarbon - 100 µg/L (organics) 200 µg/L (water), Nitrogen - 10 µg/L, Sulfur - 5 µg/L, Sulfur - 600 µg/L, Chlorine - 50 µg/L (“high sensitive”)4 µg/L C; TNb (CLD): 5 µg/L; TNb (ChD): 50 µg/L1 µg/L C
Sample Volume50–20,000 µL variable dependent on instrument configurationLiquids: 1 – 500 µL, LPG: 1 – 50 µL, Gasses: 1 – 100 mL50–1000 µL (standard); 50–3000 µL (3300 HS model)50–20,000 µL (flow injection)
Measurement AccuracyInquireInquireRSD 1–2%1–2%
Measuring TimeApprox. 3–5 min for each parameterApprox. 3 – 5 min (V) C/N/S, 3 – 8 min C/N/S (H) and Cl (V/H)3–5 min/sample3–5 min/sample
Descriptionmulti N/C Series Robust and reliable for any TOC/TNbapplication
  • Reliable analysis of TC, TIC, TOC, NPOC, POC, and TNb
  • Guaranteed compliance with standards (e.g. DIN 1484, 15936, 12260...)
  • Accurate results even with complicated matrices
New High-performance TOC/TNb Analysis tailored for the ... Read More		The multi EA® 5100 is extremely versatile: The determination of carbon, nitrogen, sulfur and chlorine is only a small part of what it can do. TOC, EOX or AOX/TOX analyses are further areas easily covered by the multi EA® 5000. This makes it a universal talent to be used in various fields.

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