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Chemical Oxygen Demand COD Calibration S

Chemical Oxygen Demand COD Calibration S

REAGECON 648 uS/CM CONDUCTIVITY STANDARD AT 20řC

Redox Standard 650mV @25řC

Redox Standard 650mV @25řC

ISO Guide 34 Sucrose in Water 7% Sucrose

Conductivity Standard 7,000 uS/cm @25řC,

Conductivity Standard 718 uS/cm @25řC, I

REAGECON 80 MG/L C AS KHP TOTAL ORGANIC CARBON (TO

Conductivity Standard 80,000 uS/cm @25řC

Conductivity Standard 80,000 uS/cm @25řC

Turbidity Standard Non Ratio 800 NTU, NI

Turbidity Standard Non Ratio 800 NTU, NI

Turbidity Standard Ratio 800 NTU, NIST t

Turbidity Standard Ratio 800 NTU, NIST t

REAGECON 800 NTU TURBIFORMt STABILISED FORMAZIN TU

REAGECON 800 NTU TURBIFORMt STABILISED FORMAZIN TU

REAGECON 8000 uS/CM CONDUCTIVITY STANDARD AT 25řC