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Accessy, pH校正液, Buffer, pH 4.01 （Red）, 1 pint （473ml）
These buffers are NIST traceable and accurate to within ± 0.01 pH units at 25°C, and remain stable over long periods of time. Buffers are supplie
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Accessy, pH校正液, Buffer, pH 4.01 (Red), 1 pint (473ml)
These buffers are NIST traceable and accurate to within ± 0.01 pH units at 25°C, and remain stable over long periods of time. Buffers are supplied in pints (473 ml).
