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Oakton Buffer Solution, pH 4.01; 1 gal.
Color: Red
Description: Buffer Solution, pH 4.01; 1 gal.
Buffer Value: 4.01
Volume (mL): 4000
Oakton® buffers for meters with 0.01 resolution are standardized against NIST-traceable pH references within 0.01 pH at 77°F (25°C). Store buffers away from direct sunlight. Sold in individual bottles; 500-mL bottles are also available in cases of 12, 4-L(1-gal) bottles in cases of four. Standardized against NIST traceable materials