Moisture-proof ph urine test strips results new design
Chemical Analysis CHAPTER 4 of Urine. 2011-1-11 · The design of the Chemstrip is such that a nylon mesh holds the test pads and underlying absorbent papers in place on the plastic strip.5 The mesh allows for even diffusion of the urine on the test pads, and the underlying paper absorbs excess urine to prevent “run-over.”
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