--- product_id: 49919647 title: "Apera Instruments AI1115 pH Calibration Buffer Solution Kit (7.00, 4.00, 10.01), 8 oz. for Each, NIST Traceable" brand: "apera instruments" price: "229 zł" currency: PLN in_stock: true reviews_count: 13 category: "Apera Instruments" url: https://www.desertcart.pl/products/49919647-apera-instruments-ai1115-ph-calibration-buffer-solution-kit-7-00 store_origin: PL region: Poland --- # ±0.01 pH accuracy NIST traceable calibration ISO 9001:2015 certified purity Apera Instruments AI1115 pH Calibration Buffer Solution Kit (7.00, 4.00, 10.01), 8 oz. for Each, NIST Traceable **Brand:** apera instruments **Price:** 229 zł **Availability:** ✅ In Stock ## Summary > 🧪 Calibrate like a pro—because precision is your power move. ## Quick Answers - **What is this?** Apera Instruments AI1115 pH Calibration Buffer Solution Kit (7.00, 4.00, 10.01), 8 oz. for Each, NIST Traceable by apera instruments - **How much does it cost?** 229 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/49919647-apera-instruments-ai1115-ph-calibration-buffer-solution-kit-7-00) ## Best For - apera instruments enthusiasts ## Why This Product - Trusted apera instruments brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless Integration:** Compact 8 oz bottles designed for easy storage and quick access in any professional setting. - • **Long-Lasting Freshness:** Double-sealed bottles with a 2-year unopened shelf life keep your calibration ready when you are. - • **Precision You Can Trust:** Achieve lab-grade ±0.01 pH accuracy for flawless measurements every time. - • **Effortless Identification:** Color-coded buffers streamline your workflow—no more guesswork or delays. - • **Certified Quality Assurance:** Produced in an ISO 9001:2015 & ISO 17025:2017 accredited facility for unmatched reliability. ## Overview The Apera Instruments AI1115 pH Calibration Buffer Solution Kit offers three color-coded, NIST-traceable buffer solutions (pH 4.00, 7.00, 10.01) with ±0.01 accuracy at 25°C. Manufactured in an ISO 9001:2015 and ISO 17025:2017 certified facility using high-purity reagents, these 8 oz bottles are double-sealed for a 2-year unopened shelf life, ensuring reliable, professional-grade calibration for your pH meters. ## Description Apera Instruments AI1115 pH Calibration Buffer Solution Kit (7.00, 4.00, 10.01), 8 oz. for Each. Apera pH calibration buffers are produced in an ISO 9001:2015 facility with ISO 17025:2017 accreditation using high-purity reagents, deionized water and certified analytical balances in a temperature controlled environment. Reported values are accurate to +/- 0.01 pH at 25°C and are traceable to NIST Standard Reference Materials (SRMs). MSDS documents are downloadable. Certificate of analysis can be achieved by request. All pH buffers have a 2-year expiration from manufacture for an unopened bottle. Review: Great design, perfect ph. - Works as intended for my ph meter. Great design for solution storage and ph meter holder. Review: Great product - Love this now its easier for me to ph my pen without having to pull out 3 cups etc.came well packaged & a day earlier ! ## Features - Reported values are accurate to +/- 0.01 pH at 25 °C and are traceable to NIST Standard Reference Materials (SRMs). - Produced in an ISO 9001:2015 certified facility using high-purity reagents, deionized water and certified analytical balances in a temperature controlled environment. - color-coded for quick identification. - Double-sealed. 2-year expiration from manufacture for an unopened bottle. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B074SPWYTD | | Best Sellers Rank | #4,604 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Chemical Buffers | | Date First Available | August 14, 2017 | | Is Discontinued By Manufacturer | No | | Item Weight | 8 ounces | | Item model number | AI1115 | | Manufacturer | Apera Instruments | | Product Dimensions | 2 x 2 x 8 inches | ## Images ![Apera Instruments AI1115 pH Calibration Buffer Solution Kit (7.00, 4.00, 10.01), 8 oz. for Each, NIST Traceable - Image 1](https://m.media-amazon.com/images/I/810lRyc3DbL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great design, perfect ph. *by A***R on November 1, 2025* Works as intended for my ph meter. Great design for solution storage and ph meter holder. ### ⭐⭐⭐⭐⭐ Great product *by A***O on February 12, 2026* Love this now its easier for me to ph my pen without having to pull out 3 cups etc.came well packaged & a day earlier ! ### ⭐⭐⭐⭐⭐ Good value for pH references *by T***P on October 10, 2025* These are the go-to reference solutions for testing the acid levels in wine. This brand has a 2-year expiration date. The coloration of these references makes it easy to not mix them up. ## Frequently Bought Together - Apera Instruments AI1115 pH Calibration Buffer Solution Kit (7.00, 4.00, 10.01), 8 oz. for Each, NIST Traceable - Apera Instruments 3M KCL Storage Soaking Solution (8 oz.) for pH and ORP Electrodes - Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy, Lcd display --- ## 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.pl/products/49919647-apera-instruments-ai1115-ph-calibration-buffer-solution-kit-7-00](https://www.desertcart.pl/products/49919647-apera-instruments-ai1115-ph-calibration-buffer-solution-kit-7-00) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-01*