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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)
  4. Fluoride (2)
  5. Chloride (1)
  6. Ammonia (3)
  7. Nitrate (2)
  8. Potassium (1)
  9. Silver (1)
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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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Useful Information

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HI-96700-11 Cal Check Standards for Ammonia LR, 0.0 and 1.5ppm

Standard value of 1.50 ±0.01 mg/L ammonia (as NH3-N) @ 25°C
£189.50 (exc. VAT) £227.40 (inc. VAT)

HI-96719-11 CalCheck standards for Magnesium Hardness, 0.0 and 1.00 ppm

Standard value of 1.00 ±0.05 mg/L CaCO3 @ 25°C
£235.80 (exc. VAT) £282.96 (inc. VAT)

HI-96718-11 CalCheck standards for Iodine, 0.0 and 2.5 ppm

Standard value of 2.5 ±0.2 mg/L iodine @ 25°C

Order Now For 2 Week Delivery

£235.80 (exc. VAT) £282.96 (inc. VAT)

HI-96717-11 CalCheck standards for Phosphate HR, 0.0 and 15.0 ppm

Standard value of 15.0 ±0.5 mg/L phosphate @ 25°C
£235.80 (exc. VAT) £282.96 (inc. VAT)

HI-96716-11 CalCheck standards for Bromine, 0.0 and 2.00 ppm

Standard value of 2.00 ±0.06 mg/L (ppm) bromine @ 25°C

Order Now For 2 Week Delivery

£235.80 (exc. VAT) £282.96 (inc. VAT)

HI-96720-11 CalCheck standards for Calcium Hardness, 0.0 and 1.50 ppm

Standard value of 1.50 ±0.07 mg/L CaCO3 @ 25°C

Order Now For 2 Week Delivery

£235.80 (exc. VAT) £282.96 (inc. VAT)

HI-96721-11 CalCheck standards for Iron HR, 0.0 and 1.50 ppm

Standard value of 1.50 ±0.01 mg/L (ppm) iron @ 25°C

Order Now For 2 Week Delivery

£235.80 (exc. VAT) £282.96 (inc. VAT)

HI-96727-11 Calcheck Standards for Colour of Water, 0.0 and 250 PCU

Standard value of 250 ±5 PCU @ 25°C
£189.50 (exc. VAT) £227.40 (inc. VAT)

HI-96726-11 CalCheck standards for Nickel HR, 0.0 and 3.5 ppm

Standard value of 3.50 ±0.10 g/L nickel @ 25°C

Order Now For 2 Week Delivery

£235.80 (exc. VAT) £282.96 (inc. VAT)

HI-96724-11 CalCheck standards for Free & Total Chlorine (liquid), 0.0 and 1

Standard value of 1.00 ±0.03 mg/L (ppm) free and total chlorine @ 25°C
Supplied with a Certificate of Analysis

Order Now For 2 Week Delivery

£235.80 (exc. VAT) £282.96 (inc. VAT)
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