Development of Inside Stack Sampler for the Determination of Sublimable Boron Compounds
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概要
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Artificial apparatus with inside stack sampler (type-I stack sampler) for the measurement of sublimable boron compounds in exhaust gas was developed. A filter holder with 3-stage filters of 25 mm φ was inserted into the stack. The first stage was Teflon filter for particle collection. The second and third stages were the cellulose filters impregnated with K<SUB>2</SUB>CO<SUB>3</SUB> to capture the gaseous compounds. The boron compounds were extracted from the filters by ultrasonic extraction with ultra pure water. The concentration of boron was measured by ICP-MS. The limit of quantification for boron was 0.3 μg/m<SUP>3</SUP>.
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