--- product_id: 31398438 title: "pH Buffer Calibration Solution 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" brand: "biopharm" price: "€ 96.55" currency: EUR in_stock: true reviews_count: 8 category: "Biopharm" url: https://www.desertcart.at/products/31398438-ph-buffer-calibration-solution-3-pack-ph-4-00-ph store_origin: AT region: Austria --- # Color-coded for quick ID NIST-traceable precision 500 mL lab-grade bottles pH Buffer Calibration Solution 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 **Brand:** biopharm **Price:** € 96.55 **Availability:** ✅ In Stock ## Summary > 📊 Calibrate with Confidence — Precision that Powers Progress ## Quick Answers - **What is this?** pH Buffer Calibration Solution 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 by biopharm - **How much does it cost?** € 96.55 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/31398438-ph-buffer-calibration-solution-3-pack-ph-4-00-ph) ## 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 - • **Lab-Grade Versatility:** Perfect for pharmaceutical, academic, research, and industrial pH meters. - • **Instant Identification:** Color-coded bottles eliminate guesswork and speed up your workflow. - • **Traceability You Can Trust:** Unique lot numbers and expiration dates for full quality control. - • **Generous Volume, Ready to Use:** Each 500 mL bottle supports multiple calibrations without frequent reordering. - • **Certified Accuracy, Guaranteed:** NIST SRM calibration ensures lab-grade precision every time. ## Overview This 3-pack of pH buffer calibration solutions includes pH 4.00, 7.00, and 10.00, each in 500 mL color-coded bottles. Manufactured under strict lab conditions and standardized against NIST reference materials, these solutions provide reliable, traceable accuracy for all pH meters. Ideal for professional labs across pharmaceutical, academic, research, and industrial sectors, each lot is uniquely numbered and expiration dated to ensure quality and shelf life exceeding one year. ## 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: Works great. - Works great. Review: Exactly what I was looking for - Works great 💪 ## Features - NIST Reference Calibrated - 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 | |---------------|-------| | ASIN | B01E7U873K | | Best Sellers Rank | #11,196 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Chemical Buffers | | Brand | Biopharm | | Brand Name | Biopharm | | Container Type | Bottle | | Customer Reviews | 4.8 out of 5 stars 147 Reviews | | Item Form | Liquid | | Item Volume | 500 Milliliters | | Manufacturer | Biopharm Inc | | Package Information | Bottle | | Part Number | BB8886X | | UPC | 721272377101 | | Volume | 500 Milliliters | ## Product Details - **Brand:** Biopharm - **Item Form:** Liquid - **Item Volume:** 500 Milliliters - **Manufacturer:** Biopharm Inc - **Package Information:** Bottle ## Images ![pH Buffer Calibration Solution 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 - 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 ### ⭐⭐⭐⭐⭐ Works great. *by C***G on January 20, 2026* Works great. ### ⭐⭐⭐⭐⭐ Exactly what I was looking for *by B***D on March 4, 2025* Works great 💪 ### ⭐⭐⭐⭐⭐ Product *by J***A on June 4, 2024* Quality product and good value. Easy to use and very accurate. Performs well. ## 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.at/products/31398438-ph-buffer-calibration-solution-3-pack-ph-4-00-ph](https://www.desertcart.at/products/31398438-ph-buffer-calibration-solution-3-pack-ph-4-00-ph) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-05-05*