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Package Size: 6.2 x 4.3 x 1.3 inches
This Micro Essential Hydrion chemvelope assortment set contains one envelope at each pH unit value from 2.0 to 11.0 and one dispensing vial of color key buffer preservative. The Hydrion chemvelope is a triple protective foil of aluminum, polyethylene, and paper which keeps the buffers dry and free flowing. The envelope is strong and clearly marked with correct pH value. When dissolved in 500mL of water, the contents of the chemvelope makes a precise buffer solution. Per each. Micro Essential Labs #: 280-2-12A.
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