---
product_id: 87519178
title: "AI1113 pH Calibration Buffer Solution Kit (7.00, 4.00), 8 oz. Each"
brand: "apera instruments"
price: "193.94 DT"
currency: TND
in_stock: true
reviews_count: 12
category: "Apera Instruments"
url: https://www.desertcart.tn/products/87519178-ai1113-ph-calibration-buffer-solution-kit-7-00-4-00
store_origin: TN
region: Tunisia
---

# ISO 9001:2015 certified production Double-sealed, 2-year shelf life ±0.01 pH accuracy AI1113 pH Calibration Buffer Solution Kit (7.00, 4.00), 8 oz. Each

**Brand:** apera instruments
**Price:** 193.94 DT
**Availability:** ✅ In Stock

## Summary

> 📊 Calibrate like a pro — precision that keeps you ahead of the curve!

## Quick Answers

- **What is this?** AI1113 pH Calibration Buffer Solution Kit (7.00, 4.00), 8 oz. Each by apera instruments
- **How much does it cost?** 193.94 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/87519178-ai1113-ph-calibration-buffer-solution-kit-7-00-4-00)

## 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

- • **Traceable Standards:** Values traceable to NIST Standard Reference Materials for ultimate confidence in your measurements.
- • **Long-Lasting Freshness:** Double-sealed bottles with a 2-year unopened shelf life to keep your solutions pristine.
- • **Precision You Can Trust:** Accurate to ±0.01 pH at 25°C, ensuring lab-grade calibration every time.
- • **Effortless Identification:** Color-coded buffers for quick, mistake-proof calibration in busy workflows.
- • **Certified Quality Assurance:** Manufactured in an ISO 9001:2015 & ISO 17025:2017 accredited facility 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 shelf life, this kit ensures reliable, traceable calibration aligned with NIST standards—perfect for professionals demanding consistent, high-quality results.

## 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.

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.
- Double-sealed. 2-year expiration from manufacture for an unopened bottle.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B074SQBC4K |
| Best Sellers Rank | #4,489 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 | AI1113 |
| Manufacturer | Apera Instruments |
| Product Dimensions | 2 x 8 x 2 inches |

## Images

![AI1113 pH Calibration Buffer Solution Kit (7.00, 4.00), 8 oz. Each - Image 1](https://m.media-amazon.com/images/I/71v2sp4uP8L.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 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

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-03-14*