---
product_id: 82405309
title: "pH Buffer Calibration Solution, pH 4.00 — 1 Gallon — NIST Traceable Reference Standards for All pH Meters — Color Coded Red"
brand: "biopharm"
price: "1905 DH"
currency: MAD
in_stock: true
reviews_count: 2
url: https://www.desertcart.ma/products/82405309-ph-buffer-calibration-solution-ph-4-00-1-gallon-nist
store_origin: MA
region: Morocco
---

# NIST Certified Color Coded 1 Gallon Size pH Buffer Calibration Solution, pH 4.00 — 1 Gallon — NIST Traceable Reference Standards for All pH Meters — Color Coded Red

**Brand:** biopharm
**Price:** 1905 DH
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate Your Calibration Game!

## Quick Answers

- **What is this?** pH Buffer Calibration Solution, pH 4.00 — 1 Gallon — NIST Traceable Reference Standards for All pH Meters — Color Coded Red by biopharm
- **How much does it cost?** 1905 DH with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ma](https://www.desertcart.ma/products/82405309-ph-buffer-calibration-solution-ph-4-00-1-gallon-nist)

## 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

- • **Lab Ready:** Perfect for pharmaceutical, academic, and industrial applications.
- • **Generous Volume:** 1 gallon ensures you’re stocked for all your calibration needs.
- • **Quality Assurance:** Lot numbered and expiration dated for reliability.
- • **Easy Identification:** Color-coded red for quick reference.
- • **Precision You Can Trust:** NIST traceable for guaranteed accuracy.

## Overview

This pH Buffer Calibration Solution is a NIST traceable reference standard, designed for precision in various laboratory settings. With a generous 1-gallon size and color-coded for easy identification, it ensures reliable performance in pharmaceutical, academic, and industrial labs. Each bottle is individually bagged, lot numbered, and expiration dated, making it a trustworthy choice for professionals.

## Description

This buffer calibration solution is 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.

## Features

- NIST Reference Calibrated
- Color-Coded for Easy Reference
- Lot Numbered and Expiration Dated
- Individual Bagged 1 Gallon Bottle
- For Pharmaceutical, Academic, Research and Industrial Labs

## Images

![pH Buffer Calibration Solution, pH 4.00 — 1 Gallon — NIST Traceable Reference Standards for All pH Meters — Color Coded Red - Image 1](https://m.media-amazon.com/images/I/71Okfvbxl6L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Out of buffer.
*by E***6 on March 6, 2023*

I was out of 4.00 pH buffer. Pretty generic stuff. Regular supply was out of it. On time Delivery was important. It came when they said it would. Happy

### ⭐⭐⭐⭐⭐ Not cherry juice!
*by G***L on March 26, 2019*

4 buffer! A big jug of it! It's red and everything!

## Frequently Bought Together

- pH Buffer Calibration Solution, pH 4.00 — 1 Gallon — NIST Traceable Reference Standards for All pH Meters — Color Coded Red
- pH Buffer Calibration Solution, pH 10.00 — 1 Gallon — NIST Traceable Reference Standards for All pH Meters — Color Coded Blue
- pH Buffer Calibration Solution, pH 7.00 — 1 Gallon — NIST Traceable Reference Standards for All pH Meters — Color Coded Yellow

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**Shop now:** [https://www.desertcart.ma/products/82405309-ph-buffer-calibration-solution-ph-4-00-1-gallon-nist](https://www.desertcart.ma/products/82405309-ph-buffer-calibration-solution-ph-4-00-1-gallon-nist)

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*Product available on Desertcart Morocco*
*Store origin: MA*
*Last updated: 2026-02-20*