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仪器网/ 行业应用/ 解决方案/ 使用 Agilent 4200 微波等离子体原子发射光谱仪直接测定

使用 Agilent 4200 微波等离子体原子发射光谱仪直接测定

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Accurate elemental analysis of soils is extremely important for numerous
reasons. Lead and cadmium are known for their adverse health and
environmental effects. Phosphorus, copper, iron, magnesium are considered
important macro and micro nutrients for plants and thus, these elements
are of interest for agricultural science,
crop selection and soil remediation
studies. Titanium minerals in soil are also used as weathering indicators [1].
Laboratories that analyze soil and rock samples must use hydrofluoric acid
(HF) during sample preparation to ensure complete dissolution,
especially
where silicate based minerals may be present. Standard glass sample
introduction systems are not suitable for the introduction of HF digests
unless the samples are neutralized prior to analysis as the free HF attacks
and degrades the glass a
nd quartz components.
Unfortunately, the HF neutralization step reduces laboratory efficiency and
introduces a potential source of contamination. Therefore, laboratories that
routinely analyze samples prepared using HF digests prefer to work with Agilent 4200 微波等离子体原子发射光谱仪
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