This Fisher Chemical certified buffer solution is precisely formulated to maintain a pH of 4.0, ideal for calibrating and verifying pH meters and other laboratory instruments. The red color allows for easy identification, and the 500mL polyethylene bottle ensures safe storage and dispensing. Each bottle is individually certified for quality and accuracy.
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Sorted by lowest price · Add now, sign in at checkout

This Fisher Chemical certified buffer solution is precisely formulated to maintain a pH of 4.0, ideal for calibrating and verifying pH meters and other laboratory instruments. The red color allows for easy identification, and the 500mL polyethylene bottle ensures safe storage and dispensing. Each bottle is individually certified for quality and accuracy.
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