Measurement Significance: CR6 + mainly comes from electroplating, smelting, surface treatment industries such as sewage and exhaust gas.Through the digestive tract, respiratory tract, skin and mucous membrane CR6 + into the human body, causing damage, and even causing genetic variations.

As the principle: In an acidic environment, Cr6 + and diphenyl carbonyl dualobide generate a purple-red complex, which is characterized by a characteristic light at 540 nm.

Need instruments, consumables: visible spectrophotometer / enzyme label, trace quantum-based cuvette / 96-well plate, adjustable pipette, acetone and distilled water.

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