---
product_id: 35425712
title: "Biopharm pH 4.00, 7.00 & 10.00 Calibration Buffer 3-Pack, 250 mL Each"
brand: "biopharm"
price: "S$76"
currency: SGD
in_stock: true
reviews_count: 8
category: "Biopharm"
url: https://www.desertcart.sg/products/35425712-biopharm-ph-4-00-7-00-and-10-00-calibration
store_origin: SG
region: Singapore
---

# Color-coded for instant ID NIST-traceable precision QR-coded COA access Biopharm pH 4.00, 7.00 & 10.00 Calibration Buffer 3-Pack, 250 mL Each

**Brand:** biopharm
**Price:** S$76
**Availability:** ✅ In Stock

## Summary

> 📈 Calibrate like a pro — precision you can trust, speed you’ll love!

## Quick Answers

- **What is this?** Biopharm pH 4.00, 7.00 & 10.00 Calibration Buffer 3-Pack, 250 mL Each by biopharm
- **How much does it cost?** S$76 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/35425712-biopharm-ph-4-00-7-00-and-10-00-calibration)

## 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

- • **Effortless Identification:** Color-coded bottles eliminate guesswork and speed up workflow
- • **Lab-Grade Accuracy Guaranteed:** NIST SRM standardized for flawless pH calibration every time
- • **Ready for Any Lab Environment:** Individually bagged 250 mL bottles ensure contamination-free use
- • **Long Shelf Life, Zero Downtime:** Lot numbered and expiration dated for reliable inventory management
- • **Instant Verification at Your Fingertips:** QR codes link directly to downloadable Certificates of Analysis

## Overview

Biopharm’s pH 4.00, 7.00 & 10.00 Calibration Buffer 3-Pack offers NIST-traceable, lab-verified solutions in color-coded, individually bagged 250 mL bottles. Each lot is rigorously tested with downloadable Certificates of Analysis accessible via QR codes, ensuring unmatched accuracy and convenience for pharmaceutical, academic, research, and industrial labs.

## 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: THUMBS UP! - Good coice for pool meter calibration
Review: . - I use this stuff to calibrate my pH meter.

## Features

- NIST Reference Calibrated
- QR Codes on Labels Lead to Downloadable COAs
- Color Coded for Easy Identification
- Lot Numbered and Expiration Dated
- Individually Bagged 250 ml (8.4 fl oz) Poly Bottles
- For Pharmaceutical, Academic, Research and Industrial Labs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| % Assay of Chemical(s) | 100 |
| ASIN | B01LVVAKEM |
| Best Sellers Rank | #9,336 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Chemical Buffers |
| Boiling Point | 100 °C |
| Boiling point | 100 °C |
| Brand | Biopharm |
| Brand Name | Biopharm |
| Container Type | Bottle |
| Customer Reviews | 4.7 out of 5 stars 497 Reviews |
| Item Form | Solution |
| Item Highlight | NIST Traceable. COAs available. Values at 25C. 8.4 oz Each. Reference Standard Solutions Compatible with All pH Meters |
| Item Volume | 750 ml |
| Manufacturer | Biopharm Inc |
| Molecular Weight | 319.85 |
| Molecular weight | 319.85 |
| Package Information | Bottle |
| Part Number | BB8891X |
| Percentage assay | 100 |
| UPC | 721272377163 |
| Volume | 750 ml |

## Product Details

- **Boiling point:** 100 °C
- **Brand:** Biopharm
- **Item Volume:** 750 ml
- **Molecular weight:** 319.85
- **Percentage assay:** 100

## Images

![Biopharm pH 4.00, 7.00 & 10.00 Calibration Buffer 3-Pack, 250 mL Each - Image 1](https://m.media-amazon.com/images/I/81c0VLHqafL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Please advise the expiration date for biopharm buffer calibration solution kit 3-pack of 250 ml (8oz) each ph 4, 7 and 10 calibration standards color**
A: The buffer pH 4 and 7 have a shelf life of 2 years when unopened. The buffer pH 10 has a shelf life of 18 months when unopened. These expiration dates are assigned before they head to the amazon warehouse so you will have slightly less than that.

**Q: What would be the shelf life after the biopham calibration solution is opened?**
A: I think each bottle lists it’s expiration date on it, which we treat as it’s expiration date whether it is opened or not.  How long that is depends on how long it was between manufacture and shipping. I think most of the time this probably has about a year shelf life once you get it, but that would be variable.

## Customer Reviews

### ⭐⭐⭐⭐⭐ THUMBS UP!
*by S***E on July 15, 2026*

Good coice for pool meter calibration

### ⭐⭐⭐⭐⭐ .
*by S***R on August 4, 2026*

I use this stuff to calibrate my pH meter.

### ⭐⭐⭐⭐⭐ I am really pleased with this company's products
*by P***R on July 2, 2017*

I am really pleased with this company's products. I calibrated a pH meter to the 7.0 standard and then testing using Biopharm's 4.0 and 10.0 standard i obtained 3.94 and 10.10. The meter is only accurate +/- 0.1 pH so these standards are WELL within the accuracy of the meter. In addition the 3 buffers were efficiently packed in a box that can be reused for storage. The standards are also packed in a narrow neck bottle with a tight lid. (Minimising evaporation and CO2 absorbtion from the atmosphere.) The buffers were packed in order 4, 7, 10 from left to right and the NIST trace sheets were also in order front to back. I mention this because it shows the company pays very strict attention to details and order. That is exactly what i want from a quantitative chem lab producing standard solutions. From now on i am purchasing all my standard solutions from these people. THANKS!

## Frequently Bought Together

- pH Buffer Calibration Solution Kit 3-Pack: pH 4.00, pH 7.00, pH 10.00 Buffers — 250 ml (8.4 fl oz) Each — Color Coded — NIST Traceable for All pH Meters
- pH/Oxygen Reduction Potential (ORP) Electrode Storage Solution, 250 mL (8.4 fl oz) — Suitable for All pH Meters — 1M KCl Solution — Keeps Your Probe Conditioned and Helps to Extend its Life

---

## 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.sg/products/35425712-biopharm-ph-4-00-7-00-and-10-00-calibration](https://www.desertcart.sg/products/35425712-biopharm-ph-4-00-7-00-and-10-00-calibration)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-05*