PH 4.00 And 7.00 Calibration Buffer Two Pack 500 mL Each Color Coded Lab Buffers With Lot Numbers Expiration Dates And Certificate Of Analysis For Pharma Pros And Lab Research Across Industry

Two-Pack 500 mL pH Calibration Buffers, Color Coded
✔️ 2 × 500 mL color-coded buffers with lot numbers and exp dates

This two-pack provides pH 4.00 and pH 7.00 calibration buffers in 500 mL bottles, color coded for quick identification. These buffers are designed for calibration of all pH meters in pharmaceutical, academic, and industrial labs and come with lot numbers, expiration dates, and a Certificate of Analysis for traceability.

✅ Color coded for easy identification
✅ 500 mL (16.9 fl oz) poly bottles
✅ Lot-numbered and expiration-dated
✅ Certificate of Analysis and traceability
✅ Produced under controlled procedures and aligned to NIST SRM standards

💡 What is a pH calibration buffer used for in lab work and how does a two-point kit help?

This handy setup provides stable reference points and supports quick, reliable meter checks. - calibration buffers give known pH references for meter accuracy - two-point kit includes pH 4.00 and pH 7.00 standards for slope and offset checks - lot numbers, expiration dates, and Certificate of Analysis support traceability✝️