Hanna Buffer Solution 4.01 H17004L (460 ML)
$56.62
$69.08
Description HANNA buffer solutions are prepared according to precise formulas and are standardized with a pH meter calibrated according to the NIST standards. All pH 4 solutions show batch number, expiration date and the correlation table between pH and temperature. HI 5004, HI 6004, HI 7004L/C, HI 8004L/C and HI 70004C are supplied complete with certificate of analysis.
Fruit & Soil Testing