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Foot button S (D)
Temperature stability ±0
50/60 Hz (optionally available in 115 V)
These naturally hydrophobic membranes can be used for venting applications or filtering gases
HEPES solution (1M) Pack Size:6 Foot button S (D)HEPES (N 2 hydroxyethylpiperazine N 2 ethanesulphonic acid) provides an alternative to the use of bicarbonate for buffering because it does not require elevated levels of CO2. Unlike the low pKa of bicarbonate, HEPES has a pKa of 7. 66 making it a much stronger buffer in the pH 7. 2 7. 6 range than bicarbonate buffer. Potential disadvantages of HEPES include toxicity over 100 mM and lack of nutritive value to the cell. The recommended working
