General pH Calibration Bundle, pH 4 & 7 (1 of each)

HI547-11PS General pH Calibration Bundle, pH 4 & 7 (Sachets) The HI547-11PS General Calibration Bundle is great for customers who value field calibration and, more importantly, fresh buffers. This bundle has the added value of being able to ensure fresh buffer every time they calibrate for accurate results (they only expire after 5 years from manufacturing). 4.01 & 7.01 pH Buffer Sachets (25 each)- HI77400P Electrode Storage Solution (500 mL) - HI70300L General Purpose Cleaning Solution Sachet (25 x 25mL) - HI700601P HI7000 Series Standard pH Buffer Solutions - pH 4.01 & pH 7.01 Certified for quality results. Our standard buffer solutions are prepared according to precise formulas and are standardized with a pH meter and electrode calibrated with NIST standards. A Certificate of Analysis (COA) is available as needed for ultimate traceability. Marked with lot number and expiration date for Good Laboratory Practice. Hanna pH buffers are specially formulated to have an