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Identifying the correct matrix oil from among the wide range of available industrial hydrocarbons and petrochemicals can be difficult. Ensuring the matrix oil is correct is a critical part of any petrochemical or environmental testing.
Agilent offers quality NIST traceable Matrix Modifiers for Graphite Furnance AA, with a selection of standard mixes offering accurate, reliable calibrations at a great value.
Chemical modifiers are used in graphite furnace atomic absorption spectrometry (GFAAS) to change the thermochemical behavior of both the analyte and the sample matrix. Modifiers may be used both to stabilize the analyte, thus allowing higher ash temperatures, and to move the atomic signal away from the background signal, allowing more accurate background correction. Chemical interferences can also be reduced by using higher atomization temperatures.|Using the right modifier, or mix of modifiers, can simplify an analytical method and improve accuracy, precision, sensitivity, and quantification limits. Agilent offers a comprehensive range of modifiers for use with graphite furnace atomic absorption spectrometry. And with the assurance of NIST traceability, Agilent's selection of standard mixes offers accurate, reliable calibrations at great value.
ICP-MS parts and supplies for HMI and UHMI aerosol gas dilution
The UHMI and HMI supplies and kits give you the power of aerosol dilution. Achieve the sensitivity you need for ultra-trace analysis with the flexibility you demand for every application.|An additional flow of argon gas is introduced between the spray chamber outlet and plasma torch inlet, mixing with and diluting the sample aerosol. MassHunter software controls the dilution range and optimizes the plasma conditions and lens tuning to suit your needs.
Uses clean argon to dilute high-matrix samples, eliminating the problems of liquid dilution
Agilent Ultra High Matrix Introduction (UHMI) technology uses an innovative, computer-controlled, calibrated, and reproducible aerosol dilution approach to extend the matrix tolerance of Agilent ICP-MS systems to percent levels of dissolved solids – far beyond the normal limit for ICP-MS. |UHMI, included with the 7850, 7900 and 8900 ICP-MS systems, is a sample dilution technique, but because it uses clean argon as the diluent, it completely eliminates the potential problems of liquid dilution, including increased risk of sample contamination, leaks in tubing connections, dilution errors, waste disposal costs, and sample prep time.
Increases ICP-MS matrix tolerance, allowing % level dissolved solids samples to be run routinely
Agilent High Matrix Introduction (HMI) technology, supplied as standard on the 7800 ICP-MS, uses an innovative, computer-controlled, and reproducible “aerosol dilution” approach that reduces the aerosol loading on the plasma. This allows the plasma to tolerate much higher total dissolved solids (TDS) levels than the 0.1 to 0.2% that is typical for ICP-MS.|HMI “dilutes” the sample aerosol using clean, dry argon gas, completely eliminating the disadvantages of liquid dilution (time, reagent costs, risk of contamination, dilution errors).