pH Buffer Solutions For Calibration
Overview
Calibration of pH and redox electrodes assumes that the labelled values of the calibration buffers are correct, but buffer values can change over time. These pH buffer solutions are supplied with a 5-year stability specification that protects the accuracy of the calibration.
Hamilton DURACAL pH buffers stay stable for 5 years after the date of manufacture, and the pH 9.21 and pH 10.01 buffers are even stable in air, reducing the sensitivity of the calibration procedure to handling.
Engineering & Design
The buffers are supplied in convenient 250 ml and 500 ml plastic bottles with a built-in calibration compartment, and only about 20 ml of buffer is used per calibration, making the solution economical in regular use.
The actual value of each batch is determined by a DKD laboratory accredited for pH measurement, and a first class certificate with traceability to international standards is supplied. Certificates are available on demand for quality systems and audits.
Key Features
- Hamilton DURACAL 5-year stability specification
- pH 9.21 and 10.01 buffers stable in air
- 250 ml and 500 ml bottles
- Built-in calibration compartment
- About 20 ml used per calibration
- DKD accredited laboratory determination
- Certificate with international traceability
- Certificates available on demand
- For pH and redox electrode calibration
Applications
- pH electrode calibration
- Redox (ORP) electrode calibration
- Laboratory and process analyzers
- Quality control laboratories
- Water and wastewater analysis
Specifications
| Specification | Value |
|---|---|
| Brand | Hamilton DURACAL / Forbes Marshall |
| Stability | Stable for 5 years after manufacture |
| Sizes | 250 ml and 500 ml |
| Bottle | Plastic with calibration compartment |
| Consumption | About 20 ml per calibration |
| Traceability | DKD accredited laboratory |
| Certificate | First class, international traceability |
| Special Buffers | pH 9.21, 10.01 stable in air |
Electrode calibration accuracy depends on the buffer, and certified pH buffer solutions provide the reference, which is why Seven Star LLC supplies pH buffer solution for calibration programmes.
For electrode calibration, the pH buffer solution for calibration is the certified reference, and Seven Star LLC supplies pH buffer solution for calibration with certificates. The pH buffer solution for calibration is stable for years, and the pH buffer solution for calibration is available in two bottle sizes. The pH buffer solution for calibration supports your quality records, and the pH buffer solution for calibration is economical in use.
Why Seven Star LLC
Seven Star LLC supplies certified pH buffer solutions for calibration programmes across the Gulf, with verified stability and traceability documentation. Our team assists with buffer selection for your electrode and analyzer requirements.
We support laboratories and process industries with reliable B2B supply of calibration standards throughout the GCC.
Installation & Operation
The built-in calibration compartment in the bottle supports clean, repeatable electrode dipping without separate beakers, and the 20 ml consumption per calibration keeps the cost per calibration low. The 250 ml and 500 ml sizes suit both laboratory benches and field test kits.
Because the buffers are stable for years and the special values resist air absorption, the calibration results remain dependable even when the bottle is carried to field installations. Certificates support the documentation requirements of quality systems.
Supply Chain & Sourcing
Seven Star LLC supplies pH buffer solutions with batch certificates, and the long stability of the buffers simplifies inventory planning for laboratories and plant maintenance stores.
We support the selection of buffer values for your electrode and analyzer ranges.
The calibration compartment reduces the risk of cross-contamination between buffers, and the bottle design allows the electrode to be rinsed and dipped in a clean procedure.
For field work, the stable buffers can be carried without refrigeration, and the long stability specification reduces the frequency of replacement and the associated documentation updates.
The buffer values cover the standard calibration points of pH meters, and the certificate documentation supports the audit trail of the calibration programme. The bottles are supplied ready to use with the calibration compartment integrated.
Certified buffers reduce the uncertainty of the calibration chain, and the traceable certificate documents the buffer value for the quality records of the laboratory.
Request a Quote for pH Buffer Solutions For Calibration
For the pH buffer solution for calibration or any related control and instrumentation requirement, contact the Seven Star LLC team. Submit a formal inquiry through our RFQ page with your required quantity and specification, and our specialists will respond with a detailed commercial proposal and the official pH documentation.
Related Products
Forbes Marshall is a leading global provider of process instrumentation and steam engineering solutions, dedicated to improving energy efficiency, process control, and environmental performance. Founded in India, the company has earned worldwide recognition for its innovative products and strong focus on sustainability.
Its product range includes flow and pressure meters, analyzers, control valves, boilers, and steam system monitoring equipment. The company’s advanced analytical instruments, such as the FM TOC101 Online TOC Analyzer, provide accurate and reliable measurement for water and process quality control applications.
Seven Star LLC supplies authentic Forbes Marshall instruments and steam engineering products across the Middle East, offering dependable process solutions backed by decades of industrial expertise and technical excellence.
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