pH (@ 25°C) 1.00 +/- 0.06 NIST Traceable

pH (@ 25°C) 7.00 +/- 0.02 NIST Traceable

pH (@ 25°C) 12.45 +/-0.03 NIST Traceable

pH (@ 25°C) 2.00 +/- 0.03 NIST Traceable

pH (@ 25°C) 12.00 +/-0.08 NIST Traceable

pH (@ 25°C) 7.00 +/- 0.02 NIST Traceable

pH (@ 25°C) 4.00 +/- 0.02 NIST Traceable

pH (@ 25°C) 8.00 +/- 0.02 NIST Traceable

pH (@ 25°C) 5.00 +/- 0.02 NIST Traceable

pH of 1:25 dilution @ 25°C 7.00 +/- 0.02 NIST Traceable

pH (@ 25°C) 6.86 +/- 0.02 NIST Traceable

pH (@ 25°C) 6.00 +/- 0.02 NIST Traceable

pH (@ 25°C) 3.00 +/- 0.03 NIST Traceable

pH (@ 25°C) 7.38 +/- 0.02 NIST Traceable

HOCOC₆H₄COOK CAS#: 877-24-7 F.W.: 204.23

pH (@ 25°C) 9.18 +/- 0.02 NIST Traceable

pH (@ 25°C) 11.00 +/-0.08 NIST Traceable

pH (@ 25°C) 5.50 +/- 0.02 NIST Traceable

APHA for B.O.D. pH 7.2 +/- 0.05

6 x 500mL kit contains 2 x 500 ml of each pH 4 red (GFS 1634), pH 7 yellow (GFS 1639) and pH 10 blue (GFS 1645). The 3 x 4L kit contains 1 x 4L of each of the above items.

pH (@ 25°C) 7.0 +/- 0.5

pH (@ 25°C) 10.00 +/- 0.03 NIST Traceable

pH (@ 25°C) 9.00 +/- 0.02 NIST Traceable

pH of 1:4 dilution @ 25°C 10.00 +/- 0.02 NIST Traceable

pH of 1:4 dilution @ 25°C 4.00 +/- 0.02 NIST Traceable

pH (@ 25°C) 1.68 +/- 0.06 NIST Traceable

pH (@ 25°C) 11.33 +/- 0.08 NIST Traceable