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Your cart is empty.Cole-parmer pH buffers are compared against and are traceable to NIST standard reference materials. Each bottle includes a nist-traceable calibration report supplied by the manufacturer. Color-coded and colorless buffers are available in 500-mL, 1-l, or 4-l packaging sizes. Additional values and packaging sizes are available; . Store at room temperature. Nist-traceable reference materials include a calibration report from an ISO guide 34 and ISO 17025 accredited laboratory color-coded and colorless buffers available
![Tris Base Ultra Pure [Tris (Hydroxymethyl) Aminomethane], 250 Grams](images/loading.gif)
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$ 13 .99 $13.99