Oxygen demand (AOX, CSB, BOD, flocculation unit)
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Potassium hydrogen phthalate solution, 250 ml
£74.06 excl. tax 2055.1Potassium hydrogen phthalate solution 200 mg CSB/l (0,170 g KHP/l) -
Potassium hydrogen phthalate solution, 500 ml
£92.63 excl. tax 2055.2Potassium hydrogen phthalate solution 200 mg CSB/l (0,170 g KHP/l) -
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