A portable, inexpensive and microcontrolled spectrophotometer based on white LED as light source and CD media as diffraction grid

Talanta

Volumn 77, Issue 3, 2009, Pages 1155-1159

  Veras, Germano ^a,b   Silva, Edvan Cirino ^a   Silva Lyra, Wellington ^a   Soares, Sófacles Figueredo Carreiro ^a   Guerreiro, Thiago Brito ^a   Santos, Sérgio Ricardo Bezerra ^c  

^a FEDERAL UNIVERSITY OF PARAÍBA   (Brazil)

^b STATE UNIVERSITY OF PARAÍBA   (Brazil)

^c Centro Federal de Educacao Tecnologica da Paraiba   (Brazil)

Author keywords

CD media; Food colorants; Iron (II); Programmable interrupt controller (PIC) microcontroller; Visible spectrophotometer; White LED

Indexed keywords

CHEMICAL ANALYSIS; CONTROLLERS; DIFFRACTION; DYES; FOOD ADDITIVES; IRON COMPOUNDS; LIGHT EMITTING DIODES; METEOROLOGICAL INSTRUMENTS; MICROCONTROLLERS; SPECTROSCOPY;

CD MEDIA; FOOD COLORANTS; PROGRAMMABLE INTERRUPT CONTROLLER MICROCONTROLLERS; VISIBLE SPECTROPHOTOMETERS; WHITE LED;

SPECTROPHOTOMETERS;

EID: 57049086386     PISSN: 00399140     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.talanta.2008.08.014     Document Type: Article

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