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ชุดทดสอบCOD Tube Test (2 – 40 mg/l O2)

NANOCOLOR® COD 40 Photometric determination of the COD Photometric determination of decrease in chromate concentration after two hours and oxidation with potassium dichromate/sulphuric acid/silver sulphate at 148 °C This test is in accordance to the DIN ISO 15705:2003. Read More »

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