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  1. Solutions (496)
  2. CAL Check Standards (95)
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  1. pH (2)
  2. Dissolved Oxygen (1)
  3. Chlorine (6)
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  5. Chloride (1)
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  20. Sulphate (1)
  21. Manganese (2)
  22. Cyanide (1)
  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-782-11 Marine High Range Nitrate Calibration Standards

£18.15 (exc. VAT) £21.78 (inc. VAT)

HI-97721-11 Iron High Range CAL Check standard kit for HI-977 series photometers

Order Now For 2 Week Delivery

£214.80 (exc. VAT) £257.76 (inc. VAT)

HI-97719-11 CAL Check™ standards for Magnesium Hardness, 0.0 and 1.00 ppm

Order Now For 2 Week Delivery

£214.80 (exc. VAT) £257.76 (inc. VAT)

HI-97718-11 CAL Check™ standards for Iodine, 0.0 and 2.5 ppm

Order Now For 2 Week Delivery

£214.80 (exc. VAT) £257.76 (inc. VAT)

HI-97717-11 CAL Check™ standards for Phosphate HR, 0.0 and 15.0 ppm

£214.80 (exc. VAT) £257.76 (inc. VAT)

HI-97716-11 CAL Check™ standards for Bromine portable photometer

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£214.80 (exc. VAT) £257.76 (inc. VAT)

HI-97714-11 CAL Check™ standards for Cyanide, 0.0 and 0.100 ppm

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£214.80 (exc. VAT) £257.76 (inc. VAT)

HI-97713-11 Phosphate Low Range CAL Check standard

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£214.80 (exc. VAT) £257.76 (inc. VAT)

HI-97712-11 CAL Check™ standards for Aluminum, 0.0 and 0.50 ppm

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£214.80 (exc. VAT) £257.76 (inc. VAT)

HI-97723-11 CAL Check™ standards for Chromium VI HR, 0.0 and 300 µg/l

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£214.80 (exc. VAT) £257.76 (inc. VAT)
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