How to calibrate pH meter

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=6ppgjdQePYo

#calibrate pH meter • Hello All, • Do you want to know hot to calibrate a pH meter? If yes, check this video. • Procedure: • 1) Dip pH meter in distilled water and wipe it with paper towel. • 2) Pour 250ml water in 2 beakers. Add pH buffer solutions in 250ml water filled beakers and stir it to dissolve. • 3) Put the thermometer in the beaker and check temperature. Value of pH at different temperatures is mentioned on backside of the packet. Temperature was around 25 degree C. • 4) Turn on pH meter, put in 6.86pH buffer solution and press calibrate button for 5 seconds. You will see the pH value (6.86) blinking on meter display. • 5) Dip the pH meter in normal distilled water and clean it with a paper towel. • 6) Similarly, put the pH meter in other solution, press calibrate again for 5 seconds and you will see value 4.01. • 7) Clean again in distilled water and wipe with towel. • Blog: • https://makingskincareproducts.blogsp...

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