# pH buffer solutions of pH 4.00, pH 7.00 and pH 10.00 certified ready-to-use

> This tender closed on 2026-08-31.

- **Reference:** RFQ/OBP194/2026/27
- **Issuer:** [Onderstepoort Biological Products (OBP)](https://za.bidwunder.com/tenders/issuer/onderstepoort-biological-products-obp.md)
- **Region:** Gauteng
- **Closing date:** 2026-08-31 16:00 SAST
- **Sectors:** [Chemicals](https://za.bidwunder.com/tenders/sector/C20.md)

## Summary

#### Overview
**Procurement of certified ready-to-use pH buffer solutions at pH 4.00, 7.00 and 10.00.** Suppliers of laboratory chemicals with capability to supply these buffers should consider bidding.

#### Requirements
- Supply certified ready-to-use pH buffers at the specified pH values (4.00, 7.00, 10.00).
- Include certificates of analysis and batch traceability.
- Provide expiry dates and storage/stability data.
- Compliance with safety data sheets and applicable regulations for laboratory reagents.

#### How to Apply
- Submission deadline: **2026-08-31 14:00**.
- Other submission details (method, forms, pre-qualifications) are not provided in the available metadata; please refer to the full bid documents once obtained from OBP.

## Description

pH buffer solutions of pH 4.00, pH 7.00 and pH 10.00 certified ready-to-use

## Published on

- [Onderstepoort Biological Products (OBP)](https://eprocurement.obpvaccines.co.za/Opportunities/Details?Id=4bff07d0-067b-40eb-a020-e5cbbe7f03db)

More open tenders: https://za.bidwunder.com/tenders.md

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> Source: https://za.bidwunder.com/tenders/ph-buffer-solutions-of-ph-4-00-ph-7-00-and-ph-10-00-certified-ready-to-use-254e5239