Hanna Instruments pH 4.01 Calibration Solution – 500 mL

This buffer value is widely used in water purification plants, in the food industry, and wherever the pH is expected to be slightly acidic Hanna Instruments ph 4 Buffer Specs: Traceable to NIST standards Available in bottles or sealed sachets, complete with or without a certificate of analysis Multiple resolutions for better accuracy NIST Traceability Standardized using a pH meter calibrated by means of two standard solutions prepared from NIST standard reference materials. Color Coded Soultions An added dye makes it easy to tell which pH buffer you are using. Certificate of Analysis A Certificate of Analysis (COA) is available for each batch of buffer solutions. Supplied or available on request. Lot Information The production batch number and expiration date are reported on all Hanna calibration solutions. Safety Data Sheets Safety data sheets for all Hanna solutions are available at hannainst.com or upon request. Reference Temperatures Provided with a label presenting a reference table of the relationship between pH or conductivity values and temperature. Sachets Each sealed sachet holds just the right amount of solution making every sachet as fresh as the day it was packaged! Perfect for use with testers and portable meters! Bottles Air-tight bottle with a tamper-proof seal of freshness to ensure quality. Opaque bottle reduces light exposure that could alter the buffer value. FDA Approved Bottles Air-tight bottle with a tamper-proof seal of freshness to ensure quality. Opaque bottle reduces light exposure that could alter the buffer value.