Description
Ammonium nitrate matrix modifier solution is an aqueous reagent offering 50 g/l NH4NO3 at 99,999 % purity in water for use in graphite furnace atomic absorption spectrometry and complementary atomic spectroscopy applications. Ammonium nitrate modifiers are employed to influence thermal behaviour of the sample matrix and to assist in controlling certain interference pathways during drying, pyrolysis and atomisation. The solution has a density of 1 g/cm³ and a boiling point of 100 °C, in line with a water-based laboratory reagent. It is supplied in a 50 ml pack size (approximately 0,050 kg), suitable for method development and recurring analytical sequences. This matrix modifier solution from manufacturer Carl ROTH is categorised among matrix modifier solutions for graphite furnace AAS within broader spectroscopy and spectrometry workflows. The high-purity NH4NO3 concentration in H2O gives laboratories a defined aqueous modifier for standardised addition schemes in atomic spectroscopy sample preparation.
This article is part of ICP, AAS & ion standards, in Analytical standards & reference materials.
Key features
- c (NH4NO3) in H2O: 50 g/l ±1 %
- Pack size: 50 ml
- Purity: 99,999 %
- Density: 1 g/cm³
- Boiling point: 100 °C
- Concentration: 50 g/l NH4NO3
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about Ammonium nitrate matrix modifier solut., 50 g/l NH4NO3 (99,999 %) in H2O, 50 ml
What is this article?
Ammonium nitrate matrix modifier solut., 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 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.
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