Deskripsi
HACH – Buffer Solution, pH 4.01, Color-coded Red, 50 mL
pH Buffer Standard Solution for pH electrode calibration. Color-coded pH buffer solution for easy identification. pH is 4.01 ±0.02 at 25° C. 50 mL pour-top bottle recommended for field use.
- Traceable to NIST standard reference materials
- Design for use with Hach meters portfolio and other meters.
- Reliable packaging