Ricca Chemical Co.

NaCl Cond Std, 1,800 µS/cm

NaCl Cond Std, 2000 µS/cm

NaCl Cond Std, 2.5 mS/cm

NaCl Cond Std, 10,000 µS/cm

NaCl Cond Std, 15 mS/cm

NaCl Cond Std, 16,630 µS/cm

Congo Red, 0.1% w/v

Ammonia Buffer

Copper Sulfate, 1.6%/.6% H2SO4

Copper Sulfate, 10% w/v

Copper Sulfate, 1.053 SG

Cupric Sulfate, 0.01 M

m-Cresol Purple, 0.04% w/v

m-Cresol Purple, 0.1% w/v

M-CRESOL PURPLE 0.005%W/V IN METHANOL

Cresol Red TS, 0.04% w/v