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ARS Home Office of Communications Images Photos Nov21





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D4680-1headline bar  A gloved hand holding a two-chamber vial containing the solution of milk, indicator dye, and a urease enzyme.**Image Number D4680-1** A close-up view of the two-chamber vial with the solutions of milk, indicator dye, and a urease enzyme. The app takes a picture of the vials, calculates the color differences, and provides the MUN value.  Photo by Jon Bleier. 640 pixels wide: (D4680-1.jpg)   Please visit our Image Gallery.


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