Determination of Ionized Calcium in Skim Milk On GlobalSpec

From Advanced Sensor Technologies, Inc.

Ionized calcium in skim milk can be measured directly in the normal range (1 mM to 4 mM) utilizing the Iotron Calcium Electrode. Potassium Chloride is added to both standard and sample for consistent ionic strength. Equipment: Meter: pH/Millivolt meter. Readability of 1 mV required, 0.1 mV preferred. Specific ion meter will provide direct readout of final answer or concentration factor. Consult manual for millivolt measurement instructions.

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Conductivity Electrodes

Conductivity electrodes are devices that measure the salinity and conductivity of water samples.

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pH Instruments

pH instruments are used to measure or monitor potential of hydrogen (pH) in a solution.

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Ion Selective Electrodes

Ion selective electrodes measure the potential of a specific ion in solution. This potential is measured against a stable reference electrode of constant potential.

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Ion Specific Electrode Meters

Ion specific electrode meters are millivolt meters that interface with ion selective electrodes (ISEs). These meters take the potential generated by the electrode and convert it into units of concentration.

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pH Electrodes

pH electrodes are analytical sensors for measuring potential of hydrogen (pH), the negative logarithm of the hydrogen ion activity in solution.

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