POPSO Buffer 0.2 M, pH 7.4

COMPOSITION: 200 mM POPSO [Piperazine-1,4-bis(2-hydroxypropanesulfonic acid) dihydrate] buffer

METHOD: Prepared in 18.2 megohms water and filtered through 0.22-micron filter.

PH: pH 7.4 ┬▒ 0.15.

STORAGE: Store at 2-8 degrees C. This product is relatively stable under this condition. Best result obtained with use within 6-8 months of purchase.