$148.33

Buffer Solution, pH 3.5 R - 1474-32

$896.48

Buffer Solution, pH 8.25 - R1583300-20F

$871.84

Buffer Solution, pH 6.8 ± 0.05 at 25°C - R1536000-20F

$149.11

Buffer, Reference Standard, pH 9.18 ± 0.01 at 25°C - 1595-20

$121.03

Buffer, pH 7.40, 0.05 M TRIS / 0.15 M NaCl - R1566000-500A

$55.65

Buffer, Reference Standard, pH 2.70 ± 0.01 at 25°C - R1494200-500A

$35.06

Buffer, Reference Standard, pH 9.18 ± 0.01 at 25°C - 1595-16