OPTIKA reserves the right to make corrections, modifications, enhancement, improvements and other changes to its products in any time without notice.
HI774P 
 Calibration solutions for pH meters
							
20 ml buffer solution at pH = 4.01 and 20 ml buffer solution at pH = 7.01 of potassium phthalate acid.
Calibration temperature 25°C.
Qty
    
	
	
                                                        	

