别名
PIPPS - CAS 5625-56-9 - Calbiochem,Piperazine-N,Nʹ- bis(3-propanesulfonic Acid),Piperazine-N,Nʹ-bis(3-propanesulfonic Acid)
一般描述
A non-metal complexing, zwitterionic buffer with mixed-mode dissociation constants of pKa1 = 3.73 and pKa2 = 7.96 (100 mM, 25°C) PIPPS has no interference at wavelengths longer than 240 nm. A non-metal complexing, zwitterionic buffer with mixed-mode dissociation constants of pKa1 = 3.73 and pKa2 = 7.96 (aqueous solution, 25°C, ionic strength = 100 mM). PIPPS has no interference at wavelengths longer than 240 nm.
重悬
Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.
Sigma-Aldrich西格玛奥德里奇(上海)贸易有限公司
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