Dissolve in distilled water: 100mL for capsules, 500mL for packets
Directly traceble to NIST standards
Standard Capsules come in vials of 10, five vials per pack. Tri-Chek Capsule Set includes one vial of 10 capsules each for pH 4, 7, and 10 buffers Tri-Chek Chemvelope Set includes three pouches each for pH 4 and 10, four pouches for pH 7 Tri-Chek sets also include dispensing dropper bottle of Color Key/Buffer Preservative; add to buffer to inhibit mold and to color-code solution: red-orange for pH 4, green for pH 7, blue for pH 10
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