$849.83

Buffer, Reference Standard, pH 12.00 ± 0.01 at 25°C - 1615-20B

$128.90

Buffer, Reference Standard, pH 12.45 ± 0.01 at 25°C - 1618-20

$118.66

Buffer, Precision Reference Standard, pH 12.450 ± 0.003 at 25°C - R1618300-500G

$49.87

Buffer, Reference Standard, pH 12.00 ± 0.01 at 25°C - 1615-20

$35.04

Buffer, Reference Standard, pH 2.00 ± 0.01 at 25°C - 1493-16

$36.64

Buffer, Reference Standard, pH 3.00 ± 0.01 at 25°C - 1495-16

$35.04

Buffer, Reference Standard, pH 1.07 ± 0.01 at 25°C - 1490-16