Determination of Nitrogen Oxides with Rhodamine B by Fluorescence Quenching Method

<table>The scheme of air sampling device. (1) air inlet, (2) absorb bottle, (3) bottle of acidic potassium permanganate, (4) absorb bottle, (5) buffer bottle, (6) flowmeter, (7) Air sampler.</table>

International Journal of Spectroscopy

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Figure 1

Figure 1: Determination of Nitrogen Oxides with Rhodamine B by Fluorescence Quenching Method 