Atomic Absorption Spectrophotometer, Tianjin Renzhi Technology Co., Ltd (CAT#: STEM-S-0006-YJL)

Atomic Absorption Spectrophotometer, model STEM-S-0006-YJL is manufactured by Tianjin Renzhi Technology Co., Ltd.

Button background technology: deuterium lamp + self-absorbing button background
Detection limit: flame method for copper detection limit ≤ 0.003μg/mL graphite furnace detection limit for cadmium ≤ 0.5pg
Resolution: When the spectral bandwidth is 0.2nm, the spectral bandwidth deviation is better than ±0.02nm (that is, the resolution is 0.2nm±0.02nm). When the spectral bandwidth is 0.2nm, the manganese double line (279.5nm and 279.8nm) is separated and the valley-peak energy ratio is ≤ 25%
Repeatability (RSD): the precision of copper measurement by flame method is ≤0.5%, the precision of cadmium measurement by graphite furnace is ≤2.8%
Sensitivity: copper sensitivity by flame method ≤0.03μg/mL/1% Cadmium sensitivity by graphite furnace ≤0.6pg
Detector type: photomultiplier tube
Optical system: single beam
Monochrome elements: planar gratings

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