Optical pH Sensor Based On Chemical Modi
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Ali A. Ensafi; A. Kazemzadeh
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Article
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1999
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Elsevier Science
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English
⚖ 62 KB
A new low-cost pH sensor developed by immobilizing a direct indicator dye to porous and transparent acetylcellulose film. This sensor was fabricated by binding ␣-Naphthyl Red and Alizarine Yellow GG to a cellulose acetate film that had previously been subjected to an exhaustive base hydrolysis. The