

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.
Desertcart purchases this item on your behalf and handles shipping, customs, and support to Mexico.
🔬 Calibrate with Confidence — Precision that Powers Progress
This 2-pack of 1-gallon pH calibration buffers (pH 4.00 and 7.00) offers NIST-traceable, lab-verified accuracy with color-coded bottles for easy identification. Each lot is uniquely numbered and expiration dated, ensuring compliance and reliability for pharmaceutical, academic, research, and industrial labs. Backed by a certificate of analysis and over one year shelf life, these buffers guarantee consistent, precise pH meter calibration.
| ASIN | B07H5183Y7 |
| Best Sellers Rank | #19,247 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10 in Chemical Buffers |
| Brand Name | Biopharm |
| Container Type | Bottle |
| Customer Reviews | 4.6 4.6 out of 5 stars (261) |
| Item Form | Liquid |
| Item Weight | 1100 Grams |
| Manufacturer | Biopharm Inc |
| Part Number | BB8909X |
| UPC | 721272377668 |
| Volume | 1 Gallons |
Trustpilot
3 weeks ago
1 week ago
1 month ago
5 days ago