二(2-羟乙基)亚氨基三(羟甲基)甲烷(BIS-TRIS)用于细胞和昆虫细胞

BIS-Tris is an inert, zwitterionic buffer that exhibits only a very small shift in dissociation constant with respect to temperature. Suitable for fractionation of hemoglobin. The useful pH range for the buffer is 5.8-7.2. Has a pKa of 6.5 at 25°C.