
This ready-to-use reference buffer solution is certified at pH 4.00 and is dyed red for easy identification. It is ideal for calibrating and verifying pH meters and other laboratory equipment. The 16 oz (473 mL) bottle provides a convenient supply for routine use.
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This ready-to-use reference buffer solution is certified at pH 4.00 and is dyed red for easy identification. It is ideal for calibrating and verifying pH meters and other laboratory equipment. The 16 oz (473 mL) bottle provides a convenient supply for routine use.
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