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Performance Characteristics: 0.015 mg/dl blood pH The normal pH of urine can vary between pH 4.5and pH 8.0. Performance Characteristics: pH values are determined to within 0.5 unit over the range from 5.0 to 9.0. Nitrite Normal urine contains no detectable nitrite. However, a negative result does not rule out a urinary tract infection. ................
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