Consider Inorganic Ventures for all your inorganic standard needs. Contact info at end of document.

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Inorganic Standards

Wet Chemistry Standards

Wet Chemical Standards

pH Calibration Standards

pH 1.68 Standard

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pH 1.68 Standard

Inorganic Ventures' pH 1.68 Standard is a 250 mL certified reference material set in a water matrix for stability. This standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date.