Analytical Instrument Facility

Atomic Absorption Spectrophotometer (AAS)

Make :Labindia Analytical Instruments Pvt. Ltd., Mumbai
Model :AA 8000
Specification : : The AA8000 Atomic Absorption Spectrometer is a double beam, sealed & vibration free optical system with Czerny-Turner monochromator with holographic grating (1800 lines/mm). It is a high performance automated instrument designed to meet the requirements of the modern laboratory. It can be used for a wide range of applications including estimation of Cu, Fe, Zn, Mn, Ca and Mg (ppm level) in Soil/ plant/ fertilizer/ manure/ water samples.

Working Principles

The technique makes use of absorption spectrometry to assess the concentration of an analyte in a sample. It requires standards with known analyte content to establish the relation between the measured absorbance and the analyte concentration and relies therefore on the Beer-Lambert Law. In short, the electrons of the atoms in the atomizer can be promoted to higher orbitals (excited state) for a short period of time (nanoseconds) by absorbing a defined quantity of energy (radiation of a given wavelength). This amount of energy, i.e., wavelength, is specific to a particular electron transition in a particular element. In general, each wavelength corresponds to only one element, and the width of an absorption line is only of the order of a few picometers (pm), which gives the technique its elemental selectivity. The radiation flux without a sample and with a sample in the atomizer is measured using a detector, and the ratio between the two values (the absorbance) is converted to analyte concentration or mass using the Beer-Lambert Law.

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Atomic Absorption Spectrophotometer (AAS) Charges

ICAR Institutes UGC Recognized Universities Other National Lab/R&D's Industry
Rs. 300/- per sample Rs. 500 /- per sample Rs. 1000/- per sample Rs. 2000/- per sample