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Andwin Scientific BDH Buffer PH 4, Red, 500mL

Supplier: Andwin Scientific BDH5018500ML

The BDH pH reference standard buffer is a clear, light red, odorless, liquid solution. This contains hydrochloric acid, potassium chloride, and deionized water. It is classified to have a 3.99-4.01 pH at 25.0 C. This product is packaged and sold in a 500 mL poly bottle.
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