--- product_id: 45756223 title: "AI1114 pH Calibration Solution Kit (7.00, 4.00), 16 oz. for Each, Plus Apera CalPod Solution Holder, NIST traceable" brand: "apera instruments" price: "£31.52" currency: GBP in_stock: true reviews_count: 13 category: "Apera Instruments" url: https://www.desertcart.co.uk/products/45756223-ai1114-ph-calibration-solution-kit-7-00-4-00-16 store_origin: GB region: United Kingdom --- # ±0.01 pH accuracy NIST traceable calibration Includes CalPod organizer AI1114 pH Calibration Solution Kit (7.00, 4.00), 16 oz. for Each, Plus Apera CalPod Solution Holder, NIST traceable **Brand:** apera instruments **Price:** £31.52 **Availability:** ✅ In Stock ## Summary > 🧪 Calibrate like a pro, measure like a boss. ## Quick Answers - **What is this?** AI1114 pH Calibration Solution Kit (7.00, 4.00), 16 oz. for Each, Plus Apera CalPod Solution Holder, NIST traceable by apera instruments - **How much does it cost?** £31.52 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/45756223-ai1114-ph-calibration-solution-kit-7-00-4-00-16) ## 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 - • **Precision Perfected:** Achieve lab-grade ±0.01 pH accuracy for flawless measurements every time. - • **Certified Confidence:** NIST traceable and ISO 9001:2015 produced for unmatched reliability. - • **Long-Lasting Freshness:** Double-sealed bottles with a 2-year unopened shelf life—always ready when you are. - • **Streamlined Calibration:** Color-coded buffers plus CalPod holder keep your workflow sleek and efficient. - • **Professional Grade Assurance:** Manufactured in a temperature-controlled environment with high-purity reagents. ## Overview The Apera Instruments AI1114 pH Calibration Solution Kit offers ultra-precise pH buffer solutions (4.00 and 7.00) with ±0.01 accuracy at 25°C, fully traceable to NIST standards. Produced in an ISO 9001:2015 certified facility using high-purity reagents, it includes a color-coded CalPod holder for organized, efficient calibration. Double-sealed bottles ensure a 2-year shelf life unopened, making it the trusted choice for professionals demanding reliable, lab-grade pH calibration. ## Description Apera Instruments AI1114 pH Calibration Solution Kit (7.00, 4.00), 16 oz. for Each, Plus Apera CalPod Solution Holder. 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: Good Product - Seems to work well ## 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. - Apera CalPod solution holder is included for organizing all the buffers and streamlining your calibration process. - Double-sealed. 2-year expiration from manufacture for an unopened bottle. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B074SQ9V8X | | Best Sellers Rank | #3,931 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 | 1 pounds | | Item model number | AI1114 | | Manufacturer | Apera Instruments | | Product Dimensions | 2 x 2 x 8 inches | ## Images ![AI1114 pH Calibration Solution Kit (7.00, 4.00), 16 oz. for Each, Plus Apera CalPod Solution Holder, NIST traceable - Image 1](https://m.media-amazon.com/images/I/71LIThTejuL.jpg) ## Available Options This product comes in different **Style** options. ## 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. ## 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. ### ⭐⭐⭐⭐⭐ Good Product *by J***B on January 19, 2026* Seems to work well ### ⭐⭐⭐⭐⭐ 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 AI1114 pH Calibration Solution Kit (7.00, 4.00), 16 oz. for Each, Plus Apera CalPod Solution Holder, 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.co.uk/products/45756223-ai1114-ph-calibration-solution-kit-7-00-4-00-16](https://www.desertcart.co.uk/products/45756223-ai1114-ph-calibration-solution-kit-7-00-4-00-16) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-16*