--- product_id: 730960156 title: "Apera Instruments AI1108 pH Calibration Buffer Solution Kit for pH/ORP Electrodes 4.00 & 7.00 pH 4 oz 8 oz" price: "₱11368" currency: PHP in_stock: true reviews_count: 5 url: https://www.desertcart.ph/products/730960156-apera-instruments-ai1108-ph-calibration-buffer-solution-kit-for-ph store_origin: PH region: Philippines --- # ±0.01 pH accuracy NIST traceable calibration 2-year sealed shelf life Apera Instruments AI1108 pH Calibration Buffer Solution Kit for pH/ORP Electrodes 4.00 & 7.00 pH 4 oz 8 oz **Price:** ₱11368 **Availability:** ✅ In Stock ## Summary > 📊 Calibrate like a pro — precision that keeps you ahead! ## Quick Answers - **What is this?** Apera Instruments AI1108 pH Calibration Buffer Solution Kit for pH/ORP Electrodes 4.00 & 7.00 pH 4 oz 8 oz - **How much does it cost?** ₱11368 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/730960156-apera-instruments-ai1108-ph-calibration-buffer-solution-kit-for-ph) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Long-Lasting Freshness:** Double-sealed bottles ensure a 2-year unopened shelf life for consistent performance - • **Precision You Can Trust:** Accurate to ±0.01 pH at 25°C for lab-grade reliability - • **Complete Calibration Kit:** Includes pH 4.00 & 7.00 buffers plus KCl solution for comprehensive electrode maintenance - • **Certified Quality Assurance:** Manufactured in ISO 9001:2015 certified facility with high-purity reagents - • **Quick Visual Identification:** Color-coded bottles streamline your workflow and reduce errors ## Overview The Apera Instruments AI1108 Calibration Buffer Kit offers ultra-precise pH 4.00 and 7.00 solutions with ±0.01 accuracy, traceable to NIST standards. Produced in an ISO 9001:2015 certified facility using premium reagents, it features color-coded bottles and a double-seal design for a 2-year shelf life, ensuring reliable and hassle-free electrode calibration every time. ## Description Apera Instruments AI1108 pH Calibration Buffer Solution Kit (pH 4.00 & 7.00 each), Plus 4 oz. 3M KCL Immersion Reservoir Solution for pH/ORP Electrodes The Apera pH calibration buffer is ISO 17025:2017 certified in an ISO 9001:2015 facility and is manufactured in a temperature controlled environment using high purity reagents, deionized water and a certified analytical balance. Reported values are accurate to +/- 0.01 pH at 25°C and can be tracked to NIST Standard Reference Material (SRM). MSDS document can be downloaded. COA is available upon request. All pH buffers have a 2 year expiration date from the manufacturing of unopened bottles Review: No issues in use. Storage solution is a bonus. Review: A Great Package to Maintain Your pH Meter ## Features - Reported values are accurate to +/- 0.01 pH at 25°C and traceable to NIST Standard Reference Material (SRM) - Manufactured in an ISO 9001:2015 certified facility, using high purity reagents, deionized water, and certified analytical scales in a temperature managed environment - Color coded for quick identification - Double seal Unopened bottles have a production date of 2 years ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Apera Instruments, LLC | | Part number | AI1108 | | Item Weight | 255 g | | Product Dimensions | 5.08 x 5.08 x 20.32 cm; 255.15 g | | Style | pH4, 7 and KCL (8 oz.) | | Material | HDPE | | Pattern | Lab Supplies | | Measurement System | US | | Batteries Included | No | | Batteries Required? | No | | Item Dimensions LxWxH | 5.1 x 5.1 x 20.3 cm | ## Images ![Apera Instruments AI1108 pH Calibration Buffer Solution Kit for pH/ORP Electrodes 4.00 & 7.00 pH 4 oz 8 oz - Image 1](https://m.media-amazon.com/images/I/61yq0Hm+aKL.jpg) ![Apera Instruments AI1108 pH Calibration Buffer Solution Kit for pH/ORP Electrodes 4.00 & 7.00 pH 4 oz 8 oz - Image 2](https://m.media-amazon.com/images/I/71XsdV6YUkL.jpg) ![Apera Instruments AI1108 pH Calibration Buffer Solution Kit for pH/ORP Electrodes 4.00 & 7.00 pH 4 oz 8 oz - Image 3](https://m.media-amazon.com/images/I/81vyCcXJl2L.jpg) ![Apera Instruments AI1108 pH Calibration Buffer Solution Kit for pH/ORP Electrodes 4.00 & 7.00 pH 4 oz 8 oz - Image 4](https://m.media-amazon.com/images/I/61CHy2vNTZL.jpg) ![Apera Instruments AI1108 pH Calibration Buffer Solution Kit for pH/ORP Electrodes 4.00 & 7.00 pH 4 oz 8 oz - Image 5](https://m.media-amazon.com/images/I/81QvYeBJ+hL.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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ No issues in use. Storage solution is a bonus. *by K***C on January 20, 2026* ### ⭐⭐⭐⭐⭐ A Great Package to Maintain Your pH Meter *by M***N on May 12, 2025* ### ⭐ Lids loose; seal broken on storage solution *by J***M on October 9, 2025* ## Frequently Bought Together - Apera Instruments AI1108 pH Calibration Buffer Solution Kit for pH/ORP Electrodes, 4.00 & 7.00 pH, 4 oz & 8 oz - 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.ph/products/730960156-apera-instruments-ai1108-ph-calibration-buffer-solution-kit-for-ph](https://www.desertcart.ph/products/730960156-apera-instruments-ai1108-ph-calibration-buffer-solution-kit-for-ph) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-05-19*