805 Hydroponics & Organics :: pH/EC Maintenance :: PH Solutions :: pH 4.01 Calibration Solution, 25 x 20mL, case of 25
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pH 4.01 Calibration Solution, 25 x 20mL, case of 25

pH 4.01 Calibration Solution, 25 x 20mL, case of 25

pH 4.01 Calibration Solution, 25 x 20mL, case of 25
Hanna's Buffer solutions are made from established formulas and are standardized with a pH meter that is calibrated to NBS/NIST primary standard buffer solutions. The 20 mL sachets are ideal for infrequent calibrations while for heavy-duty applications, you can choose from the popular 230 mL, 1 liter or 1 gallon containers. Now the pH 4 buffers carry lot #, expiry date as well as pH/C chart on every bottle. HI 7004L/C and HI 8004L/C are also supplied with an analysis certificate.
SKU HI70004P  
Weight 1.50 lbs
 
Our price: $30.95
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