--- product_id: 352324653 title: "Apera Instruments AI1113 pH Calibration Buffer Solution Kit (7.00, 4.00), 8 oz. Each" brand: "apera instruments" price: "£37.69" currency: GBP in_stock: true category: "Apera Instruments" url: https://www.desertcart.co.uk/products/352324653-apera-instruments-ai1113-ph-calibration-buffer-solution-kit-7-00 store_origin: GB region: United Kingdom --- # ±0.01 pH accuracy ISO 9001:2015 & ISO 17025:2017 certified 2-year sealed shelf life Apera Instruments AI1113 pH Calibration Buffer Solution Kit (7.00, 4.00), 8 oz. Each **Brand:** apera instruments **Price:** £37.69 **Availability:** ✅ In Stock ## Summary > 🎯 Calibrate like a pro — precision that keeps you ahead of the curve! ## Quick Answers - **What is this?** Apera Instruments AI1113 pH Calibration Buffer Solution Kit (7.00, 4.00), 8 oz. Each by apera instruments - **How much does it cost?** £37.69 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/352324653-apera-instruments-ai1113-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 - • **Complete Transparency:** Downloadable MSDS and optional certificates of analysis keep your compliance game strong. - • **Long-Lasting Freshness:** Double-sealed bottles guarantee a 2-year shelf life unopened, perfect for busy professionals. - • **Color-Coded Convenience:** Quickly identify pH 4.00 and 7.00 buffers with intuitive color coding—no mix-ups, no delays. - • **Precision You Can Trust:** Accurate to ±0.01 pH at 25°C, ensuring lab-grade calibration every time. - • **Certified Quality Assurance:** Manufactured in ISO-certified facilities with traceability to NIST standards for unmatched reliability. ## Overview The Apera Instruments AI1113 pH Calibration Buffer Solution Kit offers ultra-precise pH calibration with ±0.01 accuracy at 25°C, produced under strict ISO 9001:2015 and ISO 17025:2017 standards. Featuring color-coded, double-sealed 8 oz bottles with a 2-year unopened shelf life, this kit is trusted by professionals for reliable, hassle-free pH meter calibration. ## Description Apera Instruments AI1113 pH Calibration Buffer Solution Kit (7.00, 4.00), 8 oz. 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. ## 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 | B074SQBC4K | | ASIN | B074SQBC4K | | Brand Name | Apera Instruments | | Customer Reviews | 4.6 4.6 out of 5 stars (701) | | Customer reviews | 4.6 4.6 out of 5 stars (701) | | Date First Available | 26 December 2017 | | Global Trade Identification Number | 00810214030010 | | Included Components | AI1113 Solution Kit | | Is Discontinued By Manufacturer | No | | Item Weight | 8 Ounces | | Item model number | AI1113 | | Manufacturer | Apera Instruments | | Manufacturer | Apera Instruments | | Model Number | AI1113 | | Part Number | AI1113 | | Product Dimensions | 5.08 x 20.32 x 5.08 cm; 226.8 g | | UPC | 810214030010 | | Volume | 8 Fluid Ounces | ## Product Details - **Brand:** Apera Instruments - **Item volume:** 8 Fluid Ounces - **Item weight:** 8 Ounces - **Manufacturer:** Apera Instruments - **UPC:** 810214030010 ## Images ![Apera Instruments AI1113 pH Calibration Buffer Solution Kit (7.00, 4.00), 8 oz. Each - Image 1](https://m.media-amazon.com/images/I/71v2sp4uP8L.jpg) ## Questions & Answers **Q: What is the life span of the solution . Does it have an expiration date?** A: The lifespan of unopened pH buffer solutions (new batches) is two years, one year for the older batches. All of our solutions have expiration dates on the bottles. **Q: Do the buffers and storage solutions have a mold inhibitor?** A: no, I don't think it's have mold inhibitors **Q: Does this come with storage solution?** A: Yes a 4oz bottle of kci storage solution. It's in the pic and description. **Q: Do the buffers and storage solutions have a mold inhibitor?** A: I don't think so. ## Frequently Bought Together - Apera Instruments AI1113 pH Calibration Buffer Solution Kit (7.00, 4.00), 8 oz. Each - Apera Instruments 3M KCL Storage Soaking Solution (8 oz.) for pH and ORP Electrodes --- ## 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.co.uk/products/352324653-apera-instruments-ai1113-ph-calibration-buffer-solution-kit-7-00](https://www.desertcart.co.uk/products/352324653-apera-instruments-ai1113-ph-calibration-buffer-solution-kit-7-00) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-13*