--- product_id: 452902545 title: "AI1113 pH Calibration Solution Kit (7.00, 4.00), 8 oz. for Each, HDPE (High Density Polyethylene)" brand: "apera instruments" price: "€ 95.64" currency: EUR in_stock: true category: "Apera Instruments" url: https://www.desertcart.be/products/452902545-ai1113-ph-calibration-solution-kit-7-00-4-00-8 store_origin: BE region: Belgium --- # ±0.01 pH accuracy Temp/pH reference chart included Double-sealed, 1-year shelf life AI1113 pH Calibration Solution Kit (7.00, 4.00), 8 oz. for Each, HDPE (High Density Polyethylene) **Brand:** apera instruments **Price:** € 95.64 **Availability:** ✅ In Stock ## Summary > 🎯 Calibrate like a pro — precision that keeps you ahead of the curve! ## Quick Answers - **What is this?** AI1113 pH Calibration Solution Kit (7.00, 4.00), 8 oz. for Each, HDPE (High Density Polyethylene) by apera instruments - **How much does it cost?** € 95.64 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/452902545-ai1113-ph-calibration-solution-kit-7-00-4-00-8) ## 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 - • **Long-Lasting Reliability:** Double-sealed bottles with a 1-year shelf life and printed expiration dates keep your calibration trustworthy over time. - • **Temperature-Smart Calibration:** Integrated temperature/pH reference chart helps you adjust readings for precise results in any environment. - • **Mess-Free, Organized Calibration:** Includes Apera’s unique Callbox to keep your buffer solutions neat and accessible—no more spills or clutter. - • **Color-Coded for Instant Recognition:** Quickly identify pH 4.00 and 7.00 solutions with vibrant, standardized color coding. - • **Precision-Calibrated for Perfection:** NIST-certified accuracy within ±0.01 pH ensures your measurements are always on point. ## Overview The Apera Instruments AI1113 pH Calibration Solution Kit offers ultra-precise, NIST-certified buffer solutions (pH 4.00 & 7.00) in double-sealed 8 oz bottles with a 1-year shelf life. Designed for all pH meters, it includes a temperature/pH reference chart and a smart Callbox organizer, ensuring mess-free, reliable calibration every time. ## Description The Apera Instruments AI1114 pH calibration buffer solution Kit includes two 16oz bottles of pH buffer solutions (pH 4.00 & pH 7.00); plus Aprea's unique Callbox for easy organization of all buffer solutions. Say Goodbye to all the mess when performing calibrations. The color-coded buffer solutions are standardized against NIST certified pH References within 0.01 pH at 25˚C (77˚F). it’s ideal for the calibration of all types of pH meters. Since pH level is affected by temperature, a temperature/pH reference Chart is provided on the bottle label for reference. All the solutions are double-sealed, not subject to the DOT shipping restrictions; have a 1-year shelf life. Expiration date is printed on the bottle. MSDS documents are downloadable. Note: store at room temperature and away from direct sunlight. Keep the bottle tightly closed when not in use. Keep out of REACH of children. ## Features - High accuracy (±0.01 pH): standardized against NIST Certified pH references within 0.01 pH at 25˚C (77˚F). ideal for the calibration of all pH meters - Color-coded, double-sealed, 1-year shelf life - Expiration date and temperature/ph reference chart provided for reference - Non-hazardous product (msds is downloadable) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B074SQBC4K | | Are batteries included? | No | | Best Sellers Rank | #220,122 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #56 in Chemical Buffers | | Brand | Apera Instruments | | Customer Reviews | 4.6 4.6 out of 5 stars (730) | | Date First Available | 25 April 2018 | | Item Dimensions LxWxH | 5.1 x 20.3 x 5.1 Centimeters | | Item Height | 2 Inches | | Item Weight | 226 g | | Item Width | 8 Inches | | Item model number | AI1113 | | Manufacturer | Apera Instruments, LLC | | Model number | AI1113 | | Number of Memory Sticks | 1 | | Product Dimensions | 5.08 x 20.32 x 5.08 cm; 226.8 g | ## Images ![AI1113 pH Calibration Solution Kit (7.00, 4.00), 8 oz. for Each, HDPE (High Density Polyethylene) - Image 1](https://m.media-amazon.com/images/I/31vbCf1lmEL.jpg) ![AI1113 pH Calibration Solution Kit (7.00, 4.00), 8 oz. for Each, HDPE (High Density Polyethylene) - Image 2](https://m.media-amazon.com/images/I/41jvUwisi-L.jpg) ![AI1113 pH Calibration Solution Kit (7.00, 4.00), 8 oz. for Each, HDPE (High Density Polyethylene) - Image 3](https://m.media-amazon.com/images/I/31VS9MH-2zL.jpg) ![AI1113 pH Calibration Solution Kit (7.00, 4.00), 8 oz. for Each, HDPE (High Density Polyethylene) - Image 4](https://m.media-amazon.com/images/I/31HzHYR5wPL.jpg) ![AI1113 pH Calibration Solution Kit (7.00, 4.00), 8 oz. for Each, HDPE (High Density Polyethylene) - Image 5](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.be/products/452902545-ai1113-ph-calibration-solution-kit-7-00-4-00-8](https://www.desertcart.be/products/452902545-ai1113-ph-calibration-solution-kit-7-00-4-00-8) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-10-03*