Home Urinalysis Test Strip Color Chart and
2014-5-8 · color ranges from greenish-yellow to greenish-blue and then to dark blue. Specific gravity: based on the pKa change. In the presence of urinary cations, protons are released from a polyelectrolyte producing a color change in the bromothymol blue indicator from blue to yellow. Leukocytes: reveals the presence of granulocyte esterases.
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