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Matrix modification decreases the volatility of the analyte element and prevents its loss during thermal pretreatment. This also allows application of higher pretreatment temperatures for better matrix removal. It also increases the volatility of matrix components and promotes their removal before atomization.
PerkinElmer furnace autosamplers feature automatic matrix modification with the ability to apply one or more matrix modifiers sequentially or simultaneously.
Refer to Technical Note “THGA Graphite Furnace AA – Automatic Matrix Modification for Improved Analytical Quality and Sample Throughput” for information on preparing the most common matrix modification solutions.
| Hazard Symbols | C |
|---|---|
| Number of Elements | Single |
| Technology Type | AA/ICP-OES |
| Volume | 50 mL |
Toxic elements, such as lead (Pb) and cadmium (Cd), are entering the food chain through environmental contamination. Rice, as the most widely consumed cereal grain in Asia, can quickly pick up Pb and Cd from soil, thereby seriously endangering human health through diet. These toxic element levels ne ...
Lead (Pb) and cadmium (Cd) are common pollutants in grains and are extremely toxic. Pb is harmful to human organs even at trace levels, and once it accumulates in the body, it causes inhibition of hemoglobin formation and neurological disorders. Cd is even classified as human carcinogen [Group 1 - a ...
The matrix modification technique is a very important feature in the concept of interference-free trace metal determinations. Applying this technique, the chemical forms, and thereby the physical properties, of the element under study and/or the matrix, can be changed by adding a suitable reagent in ...
Mg(NO3)2 Matrix Modifier for Graphite Furnace AA, 1% , 100 mL
List Price : USD216.0
