PH measurement is a key step in many testing and water treatment processes. Changing the pH of the water can change the behavior of chemicals in solution. Learn more about how to determine pH and improve measurement accuracy.
Chemical
Products
Buffer Solution Kit, Colour-coded, pH 4,01, pH 7,00 and pH 10,01
Buffer Solution Kit, Colour-coded, pH 4,01, pH 7,00 and pH 10,01 ±0.02 pH at 25°C.
SKU: 2947600
Chloride Standard Solution, 1000 mg/L, 500 mL
ISE Standard Solution. Chloride, 1000 mg/L ±10 mg/L Cl- (NIST). 500 mL bottle.
SKU: 18349
Ammonia Standard Solution, 10 mg/L NH3 -N, 500 mL
Ammonia Standard Solution, 10 mg/L NH3 -N, 500 mL bottle.
SKU: 15349
Certified Buffer Standard Solution, pH 12,45
Certified Buffer Standard Solution, pH 12,45 ±0,05 pH at 25°C, 500 mL.
SKU: S11M008
ISE standard solution, Fluoride (F-) concentration 2 mg/l; volume 500 ml
Standard Fluoride Ion Selective Electrode (ISE) solution for laboratory analysis.
SKU: 40520
Electrode cleaning solution, 500 mL
Solution for regular maintenance of Hach Lange pH electrodes.
SKU: 2965249
Certified Buffer Standard Solution, pH 10,012
Certified Buffer Standard Solution, pH 10,012 ±0.010 pH at 25°C, 500 mL.
SKU: S11M007
ISE standard solution, Fluoride (F-) concentration 10 mg/l; volume 500 ml
Standard Fluoride Ion Selective Electrode (ISE) solution for laboratory analysis.
SKU: 35949
ORP / Redox calibration solution (ZoBell's solution)
Standard solution for calibration and accuracy verification of ORP electrodes.
SKU: 2316949
Certified Buffer Standard Solution, pH 9,180
Certified Buffer Standard Solution, pH 9,180 ±0.010 pH at 25°C, 500 mL.
SKU: S11M006
ISE standard solution, Fluoride (F-) concentration 100 mg/l; volume 500 ml
Standard Fluoride Ion Selective Electrode (ISE) solution for laboratory analysis.
SKU: 23249
ORP buffer solution for calibration 200 mV, 500 ml
ORP reference solution used to calibrate the ORP sensor (in resealable plastic bottles).
SKU: 25M2A1001-115
Certified Buffer Standard Solution, pH 7,413
Certified Buffer Standard Solution, pH 7,413 ±0.010 pH at 25°C, 500 mL.
SKU: S11M005
ISE Ammonia Standard Solution, 1000 mg/L, 1 L
ISE Standard Solution. Ammonia, 1000 mg/L ±20 mg/L NH3-N. 1 L bottle.
SKU: 2354153
ISE standard solution, nitrate (NO3-N) concentration 1000 mg/l; volume 500 ml
Standard Nitrate Ion Selective Electrode (ISE) solution for laboratory analysis.
SKU: 1279249
ORP buffer solution for calibration, 600 mV
Reference solution for calibration of ORP electrodes (sealed plastic bottle).
SKU: 25M2A1002-115
Certified Buffer Standard Solution, pH 7,000
Certified Buffer Standard Solution, pH 7,000 ±0.010 pH at 25°C, 500 mL.
SKU: S11M004
ISE standard sodium solution (Na +) concentration 1000 mg/l; volume 500 ml
Standard Sodium Ion Selective Electrode (ISE) solution for laboratory analysis.
SKU: 1474949
ISE standard solution, nitrate (NO3-N) concentration 1 mg/l; volume 500 ml
Standard Nitrate Ion Selective Electrode (ISE) solution for laboratory analysis.
SKU: 204649
Certified Buffer Standard Solution, pH 6,865
Certified Buffer Standard Solution, pH 6,865 ±0.010 pH at 25°C, 500 mL.
SKU: S11M003
Silver, standard solution, 1000 mg/L as Ag (NIST)
Silver standard solution, 1000 mg/L as Ag (NIST).
SKU: 1461342
Quality control standard hardness, low range, 500 mL
Quality control standard hardness, low range, 500 mL.
SKU: 2833449
Buffer Solution, pH 9,23
Buffer Solution, concentration pH 9,23 ± 0,02, 500 mL.
SKU: S11M011
Certified Buffer Standard Solution, pH 4,005
Certified Buffer Standard Solution, pH 4.005 ±0.010 pH at 25°C, 500 mL.
SKU: S11M002

