Beschrijving
Ammoniumnitraat-matrixmodificatoroplossing is een waterig reagens dat 50 g/l NH4NO3 met een zuiverheid van 99,999 % in water biedt voor gebruik in atoomabsorptiespectrometrie met grafietoven en complementaire atomaire spectroscopietoepassingen. Ammoniumnitraatmodificatoren worden ingezet om het thermische gedrag van de monstermatrix te beïnvloeden en om te helpen bij het beheersen van bepaalde interferentiepaden tijdens het drogen, pyrolyseren en atomiseren. De oplossing heeft een dichtheid van 1 g/cm³ en een kookpunt van 100 °C, in lijn met een op water gebaseerd laboratoriumreagens. Het wordt geleverd in een verpakkingsgrootte van 50 ml (ongeveer 0,050 kg), geschikt voor methodeontwikkeling en terugkerende analytische reeksen. Deze matrixmodificatoroplossing van fabrikant Carl ROTH is gecategoriseerd onder de matrixmodificatoroplossingen voor grafietoven-AAS binnen bredere spectroscopie- en spectrometrie-workflows. De NH4NO3-concentratie van hoge zuiverheid in H2O geeft laboratoria een gedefinieerde waterige modificator voor gestandaardiseerde additieschema's in de monstervoorbereiding voor atoom-spectroscopie.
Dit artikel hoort bij ICP-, AAS- & ionenstandaarden, in Analytische standaarden & referentiematerialen.
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Questions about Ammoniumnitraat matrixmodifier opl., 50 g/l NH4NO3 (99,999 %) in H2O, 50 ml
What is this article?
Ammoniumnitraat matrixmodifier opl., 50 g/l NH4NO3 (99,999 %) in H2O, 50 ml 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 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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The category is Analytical standards & reference materials. The sub-category is ICP, AAS & ion standards. The catalogue is Chemicaliën.
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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