The original solution should be used as it is. Powder for internal solution (350) is also available for a large amount of internal solution. (The powder is used by dissolving it in pure water.)
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ISFET pH Electrode
0.5% NaCl Standard Solution
1.41 mS/cm Conductivity Standard Solution
12.9 mS/cm Conductivity Standard Solution
5.0% NaCl Standard Solution
For Very Slender Test Tubes
For Food Samples
For Flat Surface Measurement
For High Accuracy pH Measurement
For General Laboratory Application
For Low-Volume Samples
For General Purpose Use
For Large Containers and Long Test Tubes
For Viscous and Non-Aqueous Samples
Electrode for General Laboratory Application
Electrode for Low-Volume Samples
For General Purpose Use
For Low Conductivity Samples
For Hydrofluoric Acid or HF Samples
For Strong Alkali Samples
For Large Containers and Long Tubes
For Vviscous and Non-Aqueous Samples
