Starting at $38.00 Starting at $34.20
  • Usually ships in 1-2 weeks


GF Signet pH buffer solutions are ideal for many calibration requirements. The liquid solutions are conveniently packaged in one pint bottles that are color coded for easy identification; 4.01 pH is red, 7.00 pH is yellow, and 10.00 pH is blue.

GF Signet pH buffers are traceable to NIST standards and certificates are available upon request. They are accurate to within ± 0.01 pH units @ 25°C and have long term stability.