Journal of Biosystems Engineering

Korean Society for Agricultural Machinery (한국농업기계학회)
권호 표지

Quantitative Measurement of Spray Deposit Using Spectrophotometer

Spectrophotometer를 이용한 농약의 부착량 측정방법

  • 이중용 (서울대학교 농업생명과학대학 생물자원공학부 농업기계전공) ;
  • 안성용 (서울대학교 농업생명과학대학 생물자원공학부 농업기계전공) ;
  • 정창주 (서울대학교 농업생명과학대학 생물자원공학부 농업기계전공)
  • Published : 1999.12.01
Download PDF
⟨ Previous Next ⟩

Abstract

A measurement method for the deposition amount of spray, using tracer and spectrophotometer was developed. Food colors was selected as tracer, because it was cheep and easily treatable. Using NIRS(Near Infrared Reflection Spectrophotometer), regression curves between absorbance spectrum and concentration of the tracer were obtained. Yellow food colors showed the peak of spectrum at 452nm, and absorbance of peak showed a tendency to increase as concentration increased. Also, the possibility of concentration control by heating was investigated.

Keywords