Agilent, 5190-8342, GFAA matrix modifier, ammonium phosphate, magnesium nitrate, 10 mg/mL NH4H2PO4, 600 µg/mL Mg(NO3)2, 250 mL

GFAA matrix modifier, ammonium phosphate, magnesium nitrate, 10 mg/mL NH4H2PO4, 600 µg/mL Mg(NO3)2, 250 mL

Specifications:
Analyte Count: 2
Concentration: Ammonium (dihydrogen) phosphate - monobasic (as nitrogen)10000 µg/mLCAS #: 7722-76-1Magnesium600.1 µg/mLCAS #: 7439-95-4
Solvent: 2% Nitric acid
UNSPSC Code: 42142615

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This graphite furnace atomic absorption (GFAA) matrix modifier is a high-purity solution formulated with 10 mg/mL ammonium phosphate and 600 µg/mL magnesium nitrate in a 250 mL bottle. It is specifically designed to enhance the accuracy and sensitivity of trace metal analyses by stabilizing volatile analytes during high-temperature atomization in GFAA procedures. The carefully optimized concentrations of NH4H2PO4 and Mg(NO3)2 effectively reduce matrix interferences, ensuring consistent atomization profiles for a wide range of challenging sample matrices, including biological fluids, environmental samples, food, and clinical materials.

This modifier solution is ideal for laboratories conducting trace element assays requiring reliable quantitation of elements such as lead, cadmium, and arsenic. Its use is recommended in workflows seeking robust performance for routine or regulated analyses. The formulation is fully compatible with Agilent atomic absorption systems, such as the 240FS and 280FS AA spectrometers, and aligns with commonly accepted analytical protocols.

For streamlined laboratory practices, it can be used in conjunction with other GFAA accessories and certified reference materials available from Agilent, providing a complete solution for demanding atomic absorption spectroscopy applications. The product is rigorously quality-tested to ensure batch-to-batch consistency and reproducible performance across diverse analytical needs.