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FI-Photometric Determination of Total Nitrogen in Water

Feng Shaoying

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Abstract

The concentration of total nitrogen in water was determined by FI-photometric method.The analysis speed was 45 samples/h[2].When the concentration of total nitrogen between 0.20mg/L to 10.0mg/L,it kept good linear relationship with the absorbance(r=0.99988).The precision and accuracy of this method were high.Recovery test was made and the results was 97%.

About this research paper

What this paper is about

The concentration of total nitrogen in water was determined by FI-photometric method.The analysis speed was 45 samples/h[2].When the concentration of total nitrogen between 0.20mg/L to 10.0mg/L,it kept good linear relationship with the absorbance(r=0.99988).The precision and accuracy of this method were high.Recovery test was made and the results was 97%.

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Available abstract

The concentration of total nitrogen in water was determined by FI-photometric method.The analysis speed was 45 samples/h[2].When the concentration of total nitrogen between 0.20mg/L to 10.0mg/L,it kept good linear relationship with the absorbance(r=0.99988).The precision and accuracy of this method were high.Recovery test was made and the results was 97%.

Key concepts: Absorbance, Nitrogen, Chemistry, Analytical Chemistry (journal), Linear relationship, Chromatography, Accuracy and precision, Environmental chemistry

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