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Piperazine-N,N'-bis(2-ethane sulfonic acid)
analytical grade
(PIPES, Piperazinediethane sulfonic acid)
C8H18N2O6S2 • Mw 302.4 • CAS 5625-37-6
Buffering substance pKa 20 = 6.8.
Assay (titr.) A 1 cm/2 % in NaOH 250 nm Heavy metals (Pb) |
min. 99 % max. 0.2 max. 0.0005 % |
Storage Temperature: +15 °C to +30 °C
HS: 29335995
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