Buffer Solutions

Our Buffer Solutions Products are essential for calibrating pH meters and ensuring accurate water testing results. These solutions maintain a stable pH value, allowing your equipment to deliver precise readings every time. Ideal for laboratories, pools, aquariums, and industrial systems, our buffer solutions are easy to use and come in a variety of standard values—helping you keep your water testing reliable, consistent, and effortless.

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220 products

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Hanna Instruments HI-97722-11 Cyanuric Acid CAL Check kits for HI-977 series
Hanna Instruments
Hanna Instruments HI-97722-11 Cyanuric Acid CAL Check kits for HI-977 series Sale price£261.35 Regular price£275.10
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Hanna Instruments HI-97723-11 CAL Check™ standards for Chromium VI HR, 0.0 and 300 µg/l
Hanna Instruments
Hanna Instruments HI-97723-11 CAL Check™ standards for Chromium VI HR, 0.0 and 300 µg/l Sale price£261.35 Regular price£275.10
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Hanna Instruments HI-97716-11 CAL Check™ standards for Bromine portable photometer
Hanna Instruments
Hanna Instruments HI-97716-11 CAL Check™ standards for Bromine portable photometer Sale price£261.35 Regular price£275.10
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Hanna Instruments HI-97710-11 pH CAL Check standard for HI-977 series photometer
Hanna Instruments
Hanna Instruments HI-97710-11 pH CAL Check standard for HI-977 series photometer Sale price£261.35 Regular price£275.10
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Hanna Instruments HI-97704-11 CAL Check standards for Hydrazine 0.0 and 1μ/gL
Hanna Instruments
Hanna Instruments HI-97704-11 CAL Check standards for Hydrazine 0.0 and 1μ/gL Sale price£261.35 Regular price£275.10
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Hanna Instruments HI-937554-53 Chlorine Removal Reagent - Pool Line
Hanna Instruments
Hanna Instruments HI-937554-53 Chlorine Removal Reagent - Pool Line Sale price£14.63 Regular price£15.40
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Hanna Instruments HI-93703-53 Chlorine Remover , Dropper Bottle.
Hanna Instruments
Hanna Instruments HI-93703-53 Chlorine Remover , Dropper Bottle. Sale price£33.25 Regular price£35.00
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Hanna Instruments HI-84500-62 Stabiliser Packet for wine analysis, 100 pieces
Hanna Instruments
Hanna Instruments HI-84500-62 Stabiliser Packet for wine analysis, 100 pieces Sale price£33.25 Regular price£35.00
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Hanna Instruments HI-84100-54 Stabiliser Reagent (25pcs)
Hanna Instruments
Hanna Instruments HI-84100-54 Stabiliser Reagent (25pcs) Sale price£25.27 Regular price£26.60
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Hanna Instruments HI-84102-60 Mini Titrators Buffer pH 7.00 for acidity in wine
Hanna Instruments
Hanna Instruments HI-84102-60 Mini Titrators Buffer pH 7.00 for acidity in wine Sale price£24.80 Regular price£26.10
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Hanna Instruments HI-8010L/C 10.01 pH Buffer Calibration Solution, 500 mL FDA bottle
Hanna Instruments
Hanna Instruments HI-8010L/C 10.01 pH Buffer Calibration Solution, 500 mL FDA bottle Sale price£55.95 Regular price£58.90
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Hanna Instruments HI-8004L/C 4.01 pH Buffer Calibration Solution, 500 mL FDA bottle
Hanna Instruments
Hanna Instruments HI-8004L/C 4.01 pH Buffer Calibration Solution, 500 mL FDA bottle Sale price£45.60 Regular price£48.00
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Hanna Instruments HI-77400C pH Combination Buffer Solution Kit 4.01 & 7.01 with Certificate of Analysis
Hanna Instruments
Hanna Instruments HI-77400C pH Combination Buffer Solution Kit 4.01 & 7.01 with Certificate of Analysis Sale price£23.27 Regular price£24.50
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Hanna Instruments HI-7754-26 Pool Line Reagents for Freshwater Alkalinity Checker
Hanna Instruments
Hanna Instruments HI-7754-26 Pool Line Reagents for Freshwater Alkalinity Checker Sale price£30.02 Regular price£31.60
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Hanna Instruments HI-770710C Combination Buffer Kit 10.01 & 7.01 pH 5 x 5 Sachets & Certificate of Analysis
Hanna Instruments
Hanna Instruments HI-770710C Combination Buffer Kit 10.01 & 7.01 pH 5 x 5 Sachets & Certificate of Analysis Sale price£23.27 Regular price£24.50
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Hanna Instruments HI-7092L ORP Oxidizing pretreatment solution
Hanna Instruments
Hanna Instruments HI-7092L ORP Oxidizing pretreatment solution Sale price£29.73 Regular price£31.30
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Hanna Instruments HI-7092M 230ml ORP oxidising solution
Hanna Instruments
Hanna Instruments HI-7092M 230ml ORP oxidising solution Sale price£26.79 Regular price£28.20
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Hanna Instruments HI-7091M ORP Reducing pretreatment solution
Hanna Instruments
Hanna Instruments HI-7091M ORP Reducing pretreatment solution Sale price£15.11 Regular price£15.90
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Hanna Instruments HI-7091L ORP Reducing pretreatment solution
Hanna Instruments
Hanna Instruments HI-7091L ORP Reducing pretreatment solution Sale price£29.73 Regular price£31.30
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Hanna Instruments HI-70467 Acetate Buffer pH 4.18, 230ml
Hanna Instruments
Hanna Instruments HI-70467 Acetate Buffer pH 4.18, 230ml Sale price£25.27 Regular price£26.60
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Hanna Instruments HI-70472 Phosphate buffer Solution, pH 7 (230 mL)
Hanna Instruments
Hanna Instruments HI-70472 Phosphate buffer Solution, pH 7 (230 mL) Sale price£33.25 Regular price£35.00
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Hanna Instruments HI-70449 EDTA Solution, 0.02 m, 1Litre
Hanna Instruments
Hanna Instruments HI-70449 EDTA Solution, 0.02 m, 1Litre Sale price£49.49 Regular price£52.10
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Hanna Instruments HI-70447 Fehling solution B, 500 mL
Hanna Instruments
Hanna Instruments HI-70447 Fehling solution B, 500 mL Sale price£65.83 Regular price£69.30
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Hanna Instruments HI-70448 Silver Nitrate Solution, 0.02 m, 1 Litre
Hanna Instruments
Hanna Instruments HI-70448 Silver Nitrate Solution, 0.02 m, 1 Litre Sale price£61.46 Regular price£64.70

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