Beschrijving
Cation multi-element standard (IC) is a ROTI®Star CRM 7 cations preparation with concentrations expressed in mg/l. The solution contains NH4⁺ at 1000 mg/l, Ca²⁺ at 1000 mg/l, K⁺ at 1000 mg/l, Li⁺ at 1000 mg/l, Mg²⁺ at 1000 mg/l, Na⁺ at 1000 mg/l and Mn²⁺ at 1000 mg/l in 0,1 % HNO3. Density (D) is approximately 1 g/cm³ and the boiling point (bp) is approximately 100 °C. The pack size is 100 ml and the pack weight is 0,123 kg. The standard is intended for ion chromatography (IC). All seven cations are present at the same 1000 mg/l concentration in the dilute nitric acid matrix. This cation multi-element standard from manufacturer Carl ROTH is sold as ROTI®Star CRM 7 cations. Laboratories receive a 100 ml unit of the seven-cation mix in 0,1 % HNO3, with the stated density and boiling point. The composition covers ammonium, calcium, potassium, lithium, magnesium, sodium and manganese as the listed cations. Use is as an IC multi-element cation standard at the concentrations given.
This article is part of ICP, AAS & ion standards, in Analytical standards & reference materials.
Key features
- Pack size: 100 ml
- Density: ~1 g/cm³
- Boiling point: ~100 °C
- Cations: NH4⁺, Ca²⁺, K⁺, Li⁺, Mg²⁺, Na⁺, Mn²⁺
- Concentration: 1000 mg/l each
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about Cation multi-element standard (IC), ROTI®Star CRM 7 cations, 100 ml
What is this article?
Cation multi-element standard (IC), ROTI®Star CRM 7 cations, 100 ml is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in ICP-, AAS- & ionstandaarden, inside Analytische standaarden & referentiematerialen, in Chemicaliën.
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.
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