[Retracted] Detection of Particle Concentration and Particle Size Based on Aerodynamic Particle Size Spectrometer

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Chemical composition</td><td class="align_center">Percentage by weight</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">SiO<sub>2</sub></td><td class="align_center">68–75</td></tr><tr><td class="align_left">AL<sub>2</sub>O<sub>3</sub></td><td class="align_center">10–15</td></tr><tr><td class="align_left">Fe<sub>2</sub>O<sub>3</sub></td><td class="align_center">2–4</td></tr><tr><td class="align_left">Na<sub>2</sub>O</td><td class="align_center">2–5</td></tr><tr><td class="align_left">CaO</td><td class="align_center">2–5</td></tr><tr><td class="align_left">MgO</td><td class="align_center">1.5–2</td></tr><tr><td class="align_left">TiO</td><td class="align_center">1.5–1</td></tr><tr><td class="align_left">K<sub>2</sub>O</td><td class="align_center">2–5</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Chemical composition of standard dust.</div>

Advances in Multimedia

tab4

Table 4

Table 4: [Retracted] Detection of Particle Concentration and Particle Size Based on Aerodynamic Particle Size Spectrometer 