OAKTONpH Buffers

OAKTON Buffer - pH 4.01: ACS, 20 mL Volume, Liquid, pH 4.01, Foil, Pouch, Solution

The OAKTON Buffer is a liquid pH buffer solution with a concentration of pH 4.01, supplied in a 20 mL foil pouch. This ACS-grade solution (CAS Number 877-24-7) is manufactured by OAKTON under part number 35653-01.

SKU 3G-OTH-367847

Also listed as: 3565301 · 35653 01

Brand

OAKTON

Item

Buffer - pH 4.01: ACS, 20 mL Volume, Liquid, pH 4.01, Foil, Pouch, Solution

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Delivery: Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to: Singapore

Technical Specifications

OAKTON

Manufacturer Part Number

35653-01 

Type

- pH 4.01: ACS, Liquid, pH 4.01, Foil, Pouch, Solution, 35653-01, 20 

Form

Liquid 

Volume

20 mL 

CAS Number

877-24-7 

Product Type

Buffer - pH 4.01 

Concentration

pH 4.01 

Chemical Grade

ACS

Container Type

Pouch 

Container Material

Foil 

Chemical Family Type

Solution 

Technical Documents

No technical documents available for this product.

Request documentation →

Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.

Talk to an engineer

Ask a question

OAKTON Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is OAKTON Buffer pH 4.01 used for?

OAKTON Buffer pH 4.01 is used to calibrate pH meters and electrodes in laboratories and industrial processes. This ACS-grade liquid solution ensures accurate pH measurement at 4.01, essential for quality control in chemical, pharmaceutical, and water treatment applications.

What are the specifications of OAKTON Buffer pH 4.01?

The OAKTON Buffer pH 4.01 is a liquid solution with a concentration of pH 4.01, supplied in a 20 mL foil pouch. It is ACS-grade (CAS Number 877-24-7), manufactured by OAKTON under part number 35653-01. The container material is foil, and the container type is pouch.

Where to buy OAKTON Buffer pH 4.01 worldwide?

You can source OAKTON Buffer pH 4.01 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this ACS-grade buffer solution.

How to use OAKTON Buffer pH 4.01 for calibration?

To calibrate a pH meter with OAKTON Buffer pH 4.01, open the foil pouch and pour the liquid into a clean container. Immerse the electrode, allow the reading to stabilize, then adjust the meter to pH 4.01. Rinse the electrode with distilled water between buffers for accuracy.

Used in

Common applications for OAKTON

Water quality testing in chemical plants — OAKTON pH electrodes (e.g., 35660-56) for inline or batch pH measurement

Wastewater treatment monitoring — OAKTON dissolved oxygen meters (e.g., 3564300) for DO/BOD analysis in aeration basins

Laboratory calibration — OAKTON ACS-grade pH buffers (e.g., pH 10.01, pH 1.68) for routine meter standardization

Environmental field sampling — OAKTON handheld DO meters for stream or effluent monitoring

HVAC and storage area monitoring — OAKTON analog thermohygrometers (e.g., 3570010) for temperature and humidity logging

Conductivity measurement in process control — OAKTON conductivity probes (e.g., WD-35608-78) for monitoring solution concentration in plating or rinsing baths

OAKTON Products

3G Electric supplies OAKTON ph buffers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all OAKTON products →Contact our engineers →