Category:Pharmacopoeia > Japanese Pharmacopoeia > Buffers, Reagents, Test Solutions JP > Buffers Ref Num: JPH244 Full Name: Disodium hydrogen phosphate-citric acid buffer solution for penicillium origin b-galactosidase pH 4.5 Shelf Life on Ship Date: 12 Months - Store under normal laboratory conditions, at temperatures between 15°C to 25°C Vol.: 1000 ml