--- product_id: 31398438 title: "Biopharm pH 4.00, 7.00 & 10.00 Calibration Buffer 3-Pack, 500 mL Each" brand: "biopharm" price: "13711 som" currency: KGS in_stock: true reviews_count: 8 category: "Biopharm" url: https://www.desertcart.kg/products/31398438-biopharm-ph-4-00-7-00-and-10-00-calibration store_origin: KG region: Kyrgyzstan --- # Color-coded for quick ID NIST-traceable precision QR code COA access Biopharm pH 4.00, 7.00 & 10.00 Calibration Buffer 3-Pack, 500 mL Each **Brand:** biopharm **Price:** 13711 som **Availability:** ✅ In Stock ## Summary > 📊 Calibrate like a pro — precision you can trust, clarity you can see! ## Quick Answers - **What is this?** Biopharm pH 4.00, 7.00 & 10.00 Calibration Buffer 3-Pack, 500 mL Each by biopharm - **How much does it cost?** 13711 som with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/31398438-biopharm-ph-4-00-7-00-and-10-00-calibration) ## Best For - biopharm enthusiasts ## Why This Product - Trusted biopharm brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Long Shelf Life:** Over one year of reliable stability from receipt to use - • **Lab-Grade Accuracy:** NIST SRM calibrated for unmatched precision in every drop - • **Instant Verification:** Scan QR codes on labels to download Certificates of Analysis anytime - • **Versatile Compatibility:** Ideal for pharmaceutical, academic, research, and industrial labs - • **Effortless Identification:** Color-coded bottles eliminate guesswork during calibration ## Overview Biopharm's pH 4.00, 7.00 & 10.00 Calibration Buffer 3-Pack offers 500 mL poly bottles of NIST-traceable, color-coded solutions with QR-linked Certificates of Analysis. Designed for high-accuracy pH meter calibration across pharmaceutical, academic, research, and industrial labs, each lot is uniquely numbered and expiration dated, ensuring over one year of shelf stability. ## Description These buffer calibration solutions are suitable for the calibration of all pH meters. Each production lot is manufactured in our own laboratory following carefully controlled written procedures and standardized against NIST standard reference materials (SRM) for high accuracy. The finished product is assigned a unique Lot number and expiration date. These products will have greater than one year shelf life when received. Certificate of analysis and traceability included. Review: THUMBS UP! - Good coice for pool meter calibration Review: . - I use this stuff to calibrate my pH meter. ## Features - NIST Reference Calibrated - QR Codes on Labels Lead to Downloadable COAs - Color Coded for Easy Identification - Lot Numbered and Expiration Dated - 500 mL (1.06 Pint) Poly Bottles, Individually Bagged - For Pharmaceutical, Academic, Research and Industrial Labs ## Technical Specifications | Specification | Value | |---------------|-------| | % Assay of Chemical(s) | 100 | | ASIN | B01E7U873K | | Best Sellers Rank | #9,256 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #5 in Chemical Buffers | | Boiling Point | 100 °C | | Boiling point | 100 °C | | Brand | Biopharm | | Brand Name | Biopharm | | Container Type | Bottle | | Customer Reviews | 4.7 out of 5 stars 496 Reviews | | GHS Health Hazard | Non hazardous | | GHS Physical Hazard | Non hazardous | | GHS health hazard | Non hazardous | | Item Form | Solution | | Item Volume | 1500 ml | | Manufacturer | Biopharm Inc | | Package Information | Bottle | | Part Number | BB8886X | | Percentage assay | 100 | | UPC | 721272377101 | | Volume | 1500 ml | ## Product Details - **Boiling point:** 100 °C - **Brand:** Biopharm - **GHS health hazard:** Non hazardous - **Item Volume:** 1500 ml - **Percentage assay:** 100 ## Images ![Biopharm pH 4.00, 7.00 & 10.00 Calibration Buffer 3-Pack, 500 mL Each - Image 1](https://m.media-amazon.com/images/I/81Jy21HfQOL.jpg) ## Questions & Answers **Q: What is the self life?** A: pH 4.00 and pH 7.00 receives a 2 year expiration from the date of manufacture. pH 10.00 receives a 1.5 year expiration from the date of manufacture. **Q: Does the certificate have any additional costs?** A: No. The certification(s) are included with the shipment at no additional cost. **Q: Where can i find the buffer ph vs. temperature table that commonly comes with ph calibration buffers? not just the two values on the front.** A: It can be found on the this product page under the 'Downloads' option. Here's the link. https://images-na.ssl-images-amazon.com/images/I/81i3MCq4otL.pdf **Q: how much is needed to calibrate a pen? How long does this usually last calibrating 1/week/min?** A: Depends on the pen size. the myron L pen with cup for the it'll be about 3oz for a triple rinse and calibrate. So 5 weeks since it's about 16.9oz. but other pens require more. ## Customer Reviews ### ⭐⭐⭐⭐⭐ THUMBS UP! *by S***E on July 15, 2026* Good coice for pool meter calibration ### ⭐⭐⭐⭐⭐ . *by S***R on August 4, 2026* I use this stuff to calibrate my pH meter. ### ⭐⭐⭐⭐⭐ Good stuff! *by I***N on February 1, 2026* They came in and are doing great, we are glad that the expiration dates are far out, We don't use a lot of this, so our standards usually expire before the bottles are empty. ## Frequently Bought Together - pH Buffer Calibration Solution Kit 3-Pack: pH 4.00, pH 7.00, pH 10.00 Buffers — 500 mL (1.06 Pint) Each — Color Coded — NIST Traceable for All pH Meters - pH/Oxygen Reduction Potential (ORP) Electrode Storage Solution, 250 mL (8.4 fl oz) — Suitable for All pH Meters — 1M KCl Solution — Keeps Your Probe Conditioned and Helps to Extend its Life - Hanna Instruments HI7061L General Purpose Electrode Cleaning Solution, 500mL Bottle --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.kg/products/31398438-biopharm-ph-4-00-7-00-and-10-00-calibration](https://www.desertcart.kg/products/31398438-biopharm-ph-4-00-7-00-and-10-00-calibration) --- *Product available on Desertcart Kyrgyzstan* *Store origin: KG* *Last updated: 2026-08-26*