Bright Dyes Yellow/Green products are specially formulated versions of Xanthene dye and are certified by NSF International to ANSI/NSF Standard 60 for use in potable water. It can be detected visually, by ultraviolet light, and by appropriate fluorometric equipment. Visual appearance is yellow/green (depending on concentration) and lime green under ultraviolet light.
Bright Dyes 105001 Dye Tracer Powder,Flt Yellow/Green,1 lb
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Variability of subsurface structure and infiltration hydrology among surface coal mine valley fills - ScienceDirect
Would job costing or process costing be used by the manufacturer of the dye used to turn the Chicago River green for St. Patrick's Day?
Kings Cote Chemicals Bright Dyes® 16 oz. FWT Fluorescent Dye Tracer Liquid in Red for YSI 6025, 6130, 6131 and 6132 Optical Sensors - 10620301P - Pollardwater
Water Leak Tracing Dyes