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ANSI PH4.179 1986 Edition, 1986 PHOTOGRAPHY (CHEMICALS) - SODIUM CITRATE, DIHYDRATE
ANSI PH4.181 80th Edition, 1987 SPECIFICATIONS FOR PHOTOGRAPHIC GRADE BENZYL ALCOHOL C6H5CH2OH
ANSI PH4.183 83rd Edition, 1987 PHOTOGRAPHY (CHEMICALS) - AMMONIUM CHLORIDE
ANSI PH4.184 1980 Edition, 1980 SPECIFICATION FOR PHOTOGRAPHIC GRADE AMMONIUM SULFATE (NH4) 2SO4
ANSI PH4.185 1980 Edition, 1980 PHOTOGRAPHIC GRADE ETHYLENEDIAMINETETRAACETIC ACID
ANSI PH4.188 80th Edition, 1987 PHOTOGRAPHIC GRADE ETHYLENEDIAMINE H2 N*CH2*CH2*NH
ANSI PH4.2 86th Edition, 1991 PHOTOGRAPHY (PROCESSING ) - TANKS FOR SHEET FILMS AND PLATES - SPECIFICATIONS
ANSI PH4.20 1958 Edition, 1958 PHOTOGRAPHIC FILING ENCLOSURES FOR STORING PROCESSED PHOTOGRAPHIC FILMS, PLATES AND PAPER
ANSI PH4.201 1981 Edition, January 16, 1981 SPECIFICATION FOR PHOTOGRAPHIC GRADE POTASSIUM IODIDE
ANSI PH4.202 86th Edition, 1995 PHOTOGRAPHY (CHEMICALS) - POTASSIUM CHLORIDE
ANSI PH4.203 79th Edition, 1987 SPECIFICATION FOR PHOTOGRAPHIC GRADE SODIUM CHLORIDE, NACL
ANSI PH4.204 84th Edition, 1995 PHOTOGRAPHY (CHEMICALS) - BENZOTRIAZOLE