---
product_id: 31398438
title: "pH Buffer Calibration Solution 3-Pack: pH 4.00, pH 7.00, pH 10.00 Buffers — 500 mL (1.06 Pint) Each — Color Coded — NIST Traceable for All pH Meters"
brand: "biopharm"
price: "R1594"
currency: ZAR
in_stock: true
reviews_count: 8
category: "Biopharm"
url: https://www.desertcart.co.za/products/31398438-ph-buffer-calibration-solution-3-pack-ph-4-00-ph
store_origin: ZA
region: South Africa
---

# NIST-traceable precision Lot numbered & expiration dated 3 x 500 mL color-coded bottles pH Buffer Calibration Solution 3-Pack: pH 4.00, pH 7.00, pH 10.00 Buffers — 500 mL (1.06 Pint) Each — Color Coded — NIST Traceable for All pH Meters

**Brand:** biopharm
**Price:** R1594
**Availability:** ✅ In Stock

## Summary

> 🎯 Calibrate like a pro — precision you can trust, every time!

## Quick Answers

- **What is this?** pH Buffer Calibration Solution 3-Pack: pH 4.00, pH 7.00, pH 10.00 Buffers — 500 mL (1.06 Pint) Each — Color Coded — NIST Traceable for All pH Meters by biopharm
- **How much does it cost?** R1594 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/31398438-ph-buffer-calibration-solution-3-pack-ph-4-00-ph)

## Best For

- biopharm enthusiasts

## Why This Product

- Trusted biopharm brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Long Shelf Life:** Over 1 year of reliable use with clear expiration tracking
- • **Ready for Any Lab:** Perfect for pharmaceutical, academic, research, and industrial settings
- • **Lab-Grade Accuracy:** Calibrated against NIST SRM for unmatched precision every time
- • **Certified Confidence:** Includes certificate of analysis and full traceability for compliance
- • **Effortless Identification:** Color-coded bottles eliminate guesswork during calibration

## Overview

This 3-pack pH buffer calibration solution set includes pH 4.00, 7.00, and 10.00 buffers in 500 mL color-coded bottles. Each lot is NIST-traceable and comes with a certificate of analysis, ensuring lab-grade accuracy and compliance. Designed for pharmaceutical, academic, research, and industrial labs, these solutions feature lot numbers and expiration dates for quality assurance and over one year of shelf life.

## Description

These buffer calibration solutions are suitable for the calibration of all pH meters. Each production lot is manufactured in our own laboratory following carefully controlled written procedures and standardized against NIST standard reference materials (SRM) for high accuracy. The finished product is assigned a unique Lot number and expiration date. These products will have greater than one year shelf life when received. Certificate of analysis and traceability included.

Review: Works great. - Works great.
Review: Exactly what I was looking for - Works great 💪

## Features

- NIST Reference Calibrated
- Color Coded for Easy Identification
- Lot Numbered and Expiration Dated
- 500 mL (1.06 Pint) Poly Bottles, Individually Bagged
- For Pharmaceutical, Academic, Research and Industrial Labs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01E7U873K |
| Best Sellers Rank | #8,237 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Chemical Buffers |
| Date First Available | April 13, 2016 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 3.98 pounds |
| Package Dimensions | 9.57 x 6.77 x 3.5 inches |
| UPC | 721272377101 |

## Product Details

- **Brand:** Biopharm
- **Item Form:** Liquid
- **Item Volume:** 500 Milliliters
- **Manufacturer:** Biopharm Inc
- **Package Information:** Bottle

## Images

![pH Buffer Calibration Solution 3-Pack: pH 4.00, pH 7.00, pH 10.00 Buffers — 500 mL (1.06 Pint) Each — Color Coded — NIST Traceable for All pH Meters - Image 1](https://m.media-amazon.com/images/I/81HsYv4kNTL.jpg)

## Available Options

This product comes in different **Material Type** options.

## Questions & Answers

**Q: What is the self life?**
A: pH 4.00 and pH 7.00 receives a 2 year expiration from the date of manufacture. pH 10.00 receives a 1.5 year expiration from the date of manufacture.

**Q: Does the certificate have any additional costs?**
A: No. The certification(s) are included with the shipment at no additional cost.

**Q: Where can i find the buffer ph vs. temperature table that commonly comes with ph calibration buffers?  not just the two values on the front.**
A: It can be found on the this product page under the 'Downloads' option.

Here's the link. 
https://images-na.ssl-images-amazon.com/images/I/81i3MCq4otL.pdf

**Q: how much is needed to calibrate a pen? How long does this usually last calibrating 1/week/min?**
A: Depends on the pen size. the myron L pen with cup for the it'll be about 3oz for a triple rinse and calibrate. So 5 weeks since it's about 16.9oz. but other pens require more.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works great.
*by C***G on January 20, 2026*

Works great.

### ⭐⭐⭐⭐⭐ Exactly what I was looking for
*by B***D on March 4, 2025*

Works great 💪

### ⭐⭐⭐⭐⭐ Very good for calibrating our equipment
*by A***R on November 8, 2023*

These came clearly marked and the different colors add to the security of using the correct product for the calibration.

## Frequently Bought Together

- pH Buffer Calibration Solution Kit 3-Pack: pH 4.00, pH 7.00, pH 10.00 Buffers — 500 mL (1.06 Pint) Each — Color Coded — NIST Traceable for All pH Meters
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**Shop now:** [https://www.desertcart.co.za/products/31398438-ph-buffer-calibration-solution-3-pack-ph-4-00-ph](https://www.desertcart.co.za/products/31398438-ph-buffer-calibration-solution-3-pack-ph-4-00-ph)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-18*