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Standard Solution

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Various standard solutions

Various standard solutions

I. Buffer Solutions for pH Electrode Calibration

pH 4.00 buffer solution, 500 ml

pH 6.86 buffer solution, 500 ml

pH 7.00 buffer solution, 500 ml

pH 9.18 buffer solution, 500 mL

pH 10.01 buffer solution, 500 ml

 

II. ORP Calibration Solution

470 mV solution, 100 ml

220 mV solution, 100 ml

 

III. Conductivity Calibration Solution

1413 μS/cm 500 ml

145 μS/cm 500 ml

 

IV. Supplementary Solutions for Various Sodium Reference Electrodes

Orion Sodium Reference Supplement Solution S3102 (for 1811EL) 100 ml/bottle

SWAN Sodium Reference Supplement Solution S7200, 100 ml per bottle

Polymetron Sodium Reference Supplement Solution S7300, 100 ml per bottle

 

V. Electrode and Diaphragm Cleaning Solution

For cleaning protein contamination on the diaphragm 100 ml

Used for cleaning AgCl precipitate on the diaphragm, 100 ml

 

VI. Electrode Regeneration Solution

For the regeneration of aged pH and sodium electrodes, 100 ml