$150.08

Buffer, Reference Standard, pH 3.00 ± 0.01 at 25°C - 1495-2.5

$137.88

Buffer, Reference Standard, pH 1.00 ± 0.01 at 25°C - 1489-2.5

$173.02

Buffer, Reference Standard, pH 9.18 ± 0.01 at 25°C - 1595-2.5

$142.95

Buffer, Reference Standard, pH 3.56 ± 0.01 at 25°C - 1498-2.5

$189.78

Buffer, Reference Standard, pH 2.00 ± 0.01 at 25°C - 1493-2.5

$152.77

Buffer, Reference Standard, pH 10.00 ± 0.01 at 25°C - 1600-2.5

$148.50

Buffer, Reference Standard, pH 4.00 ± 0.01 at 25°C - 1500-2.5

$173.74

Buffer, Reference Standard, pH 1.68 ± 0.01 at 25°C - 1492-2.5