Beschrijving
De matrixmodificatoroplossing van ammoniumdiwaterstoffosfaat is bereid met 20 g/l NH4H2PO4 (99,999 %) in 1 % HNO3 voor matrixmodificatie bij atoomabsorptiespectrometrie met grafietoven en aanverwante atomaire spectroscopietechnieken. Een dichtheid van circa 1 g/cm³ en een kookpunt nabij 100 °C zorgen voor eenvoudig pipetteren en thermisch gedrag tijdens de monstervoorbehandeling. De verpakkingsgrootte van 50 ml is geschikt voor laboratoria die een ammoniumdiwaterstoffosfaat-modificator met een lagere concentratie vereisen voor routinematig GF-AAS-werk of methodeoverdracht. Het product wordt aangeboden door fabrikant Carl ROTH in het assortiment matrixmodificatoroplossingen voor grafietoven-AAS en past in spectroscopie- en spectrometrieomgevingen, waaronder AAS-, ICP-OES- en ICP-MS-ondersteuningstaken. De vermelde zuiverheid en zure matrix helpen analisten bij het controleren van reagensblanco's en het standaardiseren van toevoegingsvolumes. De classificatie omvat VN-nummer 3264. De oplossing is bedoeld voor professioneel laboratoriumgebruik waar een gedefinieerde 20 g/l NH4H2PO4-modificator in verdund salpeterzuur is gespecificeerd.
Dit artikel hoort bij ICP-, AAS- & ionenstandaarden, in Analytische standaarden & referentiematerialen.
Belangrijkste kenmerken
- c (NH4H2PO4) in 1 % HNO3: 20 g/l ±1 %
- Verpakkingsgrootte: 50 ml
- Zuiverheid: 99,999 %
- Dichtheid: ~1 g/cm³
- Kookpunt: ~100 °C
- Concentratie: 20 g/l NH4H2PO4
- Technisch informatieblad:
- Veiligheidsinformatieblad:
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Questions about Ammoniumdiwaterstoffosfaat matrixmodificator, 20 g/l NH4H2PO4 (99,999 %) in 1 % HNO3
What is this article?
Ammoniumdiwaterstoffosfaat matrixmodificator, 20 g/l NH4H2PO4 (99,999 %) in 1 % HNO3 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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