Description
PCB 159 is a hexachlorobiphenyl congener provided as a ROTI®Star reference substance for analytical laboratory use. It is identified by CAS number 39635-35-3 and EG number 690-161-9, with the empirical formula C₁₂H₄Cl₆ and a molar mass of 360,88 g/mol. The product is delivered as a 5 mg quantity in glass, suitable for careful preparation of standards and related solutions. PCB 159 is applied in environmental analysis as well as in chromatography and gas chromatography, where discrete polychlorinated biphenyl congeners serve as chemically defined references. Offered from manufacturer Carl ROTH under the ROTI®Star designation, this material supplies laboratories with a clearly specified hexachlorinated biphenyl for GC-based and environmental workflows. The compact glass presentation aids controlled handling of the milligram amount, while the CAS registry data and molecular formula support unambiguous incorporation into analytical methods. Laboratories focused on environmental monitoring and chromatographic separations can use this ROTI®Star PCB 159 when a particular C₁₂H₄Cl₆ congener is called for. Documented identity and a practical pack size make it a focused choice for reference-standard work in gas chromatography and environmental analysis.
This article is part of ICP, AAS & ion standards, in Analytical standards & reference materials.
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Questions about PCB 159, ROTI®Star, 5 mg, glass
What is this article?
PCB 159, ROTI®Star, 5 mg, glass is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in ICP, AAS & ion standards, inside Analytical standards & reference materials, in Lab chemicals.
An ICP, AAS or ion standard is a solution of a stated element or ion at a stated concentration, with an uncertainty. It is the calibration point of a spectrometer or an electrode. The matrix, often dilute acid, has to match the method. A standard past its expiry is not that concentration.
A reference material is the article against which another result is compared. Its value is stated, and the uncertainty of that value is part of the product. An ICP or ion standard is a solution of known concentration. A volumetric standard is for titration. A chromatography standard is the peak you match. The grade names, including pharmacopoeia and ASTM, say which impurities were limited. Identity is checked on PubChem. Names follow IUPAC. Medicinal grades follow the European Pharmacopoeia and USP.
Which category should I open next?
The category is Analytical standards & reference materials. The sub-category is ICP, AAS & ion standards. The catalogue is Lab chemicals.
Shelves beside this one are Chromatography standards (GC, HPLC, pesticides), Reference substances & reagents (other), Volumetric standard solutions (titration), Reagents for analysis (Ph. Eur., ASTM, DIN), Spectroscopy & physical property standards and Indicators & indicator solutions.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

