$744.10

NaCl Cond Std, 18.53 mS/cm - R2246853-20F

$60.91

Sodium Chloride, 0.5078 Normal, Conductivity = 47,600 µS/cm at 25°C - 7225-32

$743.31

Conductivity Standard, 12,740 µS/cm (12.74 mS/cm) at 25°C Sodium Chloride in Water - R2243127-20F

$39.43

Sodium Chloride, 0.5078 Normal, Conductivity = 47,600 µS/cm at 25°C - 7225-16

$143.65

Sodium Chloride Conductivity Standard, 125,000 µS/cm (125 mS/cm) at 25°C - R2249125-1A

$678.60

Sodium Chloride, 3% (w/w) - R7213720-20F

$701.19

Conductivity Standard, 200 µS/cm at 25°C (95 ppm TDS as NaCl) - 2238-5