Description
L'étalon multi-éléments de cations (CI) est une solution d'étalonnage multi-cations prête à l'emploi pour la chromatographie ionique. Sous la désignation ROTI®Star, elle fournit six cations à des concentrations définies : ammonium (NH4⁺) 40 mg/l, calcium (Ca²⁺) 40 mg/l, potassium (K⁺) 20 mg/l, lithium (Li⁺) 10 mg/l, magnésium (Mg²⁺) 20 mg/l et sodium (Na⁺) 20 mg/l, préparés dans de l'acide nitrique à 0,1 %. Les données physiques incluent une masse volumique de 1 g/cm³ et un point d'ébullition de 100 °C. L'analyse environnementale et les flux de travail en chromatographie ionique peuvent utiliser cette référence multi-éléments lors de la quantification des cations inorganiques courants dans une matrice d'acide nitrique diluée. Disponible auprès du fabricant Carl ROTH, la solution réduit le besoin de préparer des stocks de cations uniques séparés et favorise un étalonnage CI multi-éléments cohérent pour NH4⁺, Ca²⁺, K⁺, Li⁺, Mg²⁺ et Na⁺ dans les laboratoires d'analyse et environnementaux.
Cet article fait partie de Étalons ICP, AAS et ioniques, dans Étalons analytiques et matériaux de référence.
Caractéristiques principales
- Lithium (Li+) : 10 mg/l
- Sodium (Na+) : 20 mg/l
- Ammonium (NH4+) : 40 mg/l
- Calcium (Ca2+) : 40 mg/l
- Magnésium (Mg2+) : 20 mg/l
- Potassium (K+) : 20 mg/l
- Conditionnements : 100 ml, 500 ml
- Masse volumique : 1 g/cm³
- Point d'ébullition : 100 °C
- Gamme de produits : ROTI®Star
- Matrice : acide nitrique 0,1 %
- Fiche d'informations techniques :
- Fiche de données de sécurité :
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Questions about Solution étalon multi-éléments de cations pour CI, 100 ml, 6 cations (NH4+, Ca2+, K+
What is this article?
Solution étalon multi-éléments de cations pour CI, 100 ml, 6 cations (NH4+, Ca2+, K+ 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 Produits chimiques de laboratoire et industriels.
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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