PH Buffer Capsule for calibration of pH, contains four capsules for each of the 4, 7, and 10 pH buffers, making a total of 12 capsules. The set also includes a small bottle of universal indicator with mold inhibitor, Has to be added to 100 ml of distilled water
Chemical detection of fingerprints, Utilize alternative methods for detecting fingerprints. Examine some possible methods of gathering evidence when dusting for fingerprints is not effective.
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