pH Calibration Buffer Powder for pH4.00, pH686 and pH9.18
 Direct screen printing on the bottle(non-paper label adhesive)
 
 
KELILONG buffer solutions are prepared according to precise formulas and are standardized with a pH electrode 
 and meter calibrated with NIST standards. This buffer value is widely used in water purification plants, in the food 
 industry and where ever the pH is expected to be slightly acidic. 
 
 
 Specifications 
| Name | Accuracy | Standard | 
| pH4.00 Buffer Solution | ±0.01pH (25°C) | 35mL (bottle) | 
| pH6.86 Buffer Solution | ±0.01pH (25°C) | 35mL(bottle) | 
| pH Value | @25°C 6.86 | |
| Size | 35 mL | |
| Package | 1 bottle | |
| Certificate of Analysis | Yes |