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  1. Solutions (467)
  2. CAL Check Standards (67)
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  1. pH (2)
  2. Dissolved Oxygen (1)
  3. Chlorine (6)
  4. Fluoride (2)
  5. Chloride (1)
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  13. Relative Humidity (1)
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  20. Sulphate (1)
  21. Manganese (2)
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  23. Magnesium (3)
  24. Hardness (2)
  25. Cyanuric Acid (1)
  26. Molybdenum (1)
  27. Zinc (1)
  28. Chlorine Dioxide (1)
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HI-50021P Check Solution, 20mL, 25 sachets

Calibrates to pH 7.01

Order Now For 2 Week Delivery

£37.70 (exc. VAT) £45.24 (inc. VAT)

HI-780-11 Marine pH Certified Cal Check Standards

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£14.75 (exc. VAT) £17.70 (inc. VAT)

HI-83300-11 CAL Check Cuvette Kit for HI-83300 Multiparameter photometer

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£132.85 (exc. VAT) £159.42 (inc. VAT)

HI-83399-11 CAL Check Cuvette Kit for HI-83399 Multiparameter Photometer with COD for water and Waste water

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£146.10 (exc. VAT) £175.32 (inc. VAT)

HI-7084L Standard Solution at 58.4 g/L NaCl

500ml bottle

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£24.95 (exc. VAT) £29.94 (inc. VAT)

HI-7083L Standard Solution at 3.0 g/L Sodium Chloride NaCl

500ml bottle
£23.45 (exc. VAT) £28.14 (inc. VAT)

HI-7081M Standard Solution at 30 g/L NaCl, 230ml

230ml bottle

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£20.40 (exc. VAT) £24.48 (inc. VAT)

HI-7081L Standard Solution at 30 g/L NaCl, 500ml

500ml bottle
£22.95 (exc. VAT) £27.54 (inc. VAT)

HI-847492-11 Calibration cuvette kit

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£106.40 (exc. VAT) £127.68 (inc. VAT)

HI-708-11 Nitrite High Range Checker HC Calibration Check Set (0-150 ppm)

Standard value of 75 +/- 5 ppm nitrite @ 25°C

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£24.45 (exc. VAT) £29.34 (inc. VAT)
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