EPA Method 533 compliant: Optimizing PFAS pretreatment with Resprep WAX SPE cartridges! (Restec Corporation)

World Standard PFAS Analysis Support | Restek's Expert Team Delivers Fast and Accurate Results

Regulations and analytical methods for PFAS testing continue to change around the world. Restek's global expert team provides products and technical support that respond to the latest regulatory trends, enabling fast and accurate analysis. As a reliable partner, we offer optimal solutions. ■ PFAS Resource Library ■ PFAS Applications/Chromatograms ■ Partner for PFAS Analysis ■ PFAS-Related Products

• Testing Equipment and Devices

Emergency meeting! This time we will focus on the pretreatment of PFAS in environmental samples, as inquiries have surged!

The measurement of PFAS (perfluoroalkyl substances) is becoming increasingly important in the field of environmental testing. In particular, accurate and efficient quantitative analysis is required in complex matrices such as non-potable water, soil, and biosolids, including wastewater and rivers. In light of this, there has been a surge in inquiries regarding PFAS pretreatment in accordance with EPA Method 1633 since the end of last year. Therefore, we will urgently hold a seminar in February to address these challenges, changing our original schedule. 【Event Overview】 ■ Date: February 27, 2025 (Thursday) ■ Time: 13:30 - 14:15 JST (45 minutes) ■ Participation Fee: Free <Pre-registration required> https://register.gotowebinar.com/register/8028605763632700251

• Technical Seminar

We will introduce the selection of SPME Arrows and the appropriate conditioning procedures!

This document serves as the instruction manual for the "Restek PAL SPME Arrow." It provides detailed information on the appropriate selection of SPME Arrows based on the characteristics of the analyte, as well as heating conditioning and solvent washing. The content is presented alongside diagrams, making it easy to reference. We encourage you to read it and make use of it. [Contents] ■ Selection of SPME Arrows ■ Heating conditioning and solvent washing of SPME Arrows *For more details, please refer to the PDF document or feel free to contact us.

• Technical and Reference Books

We propose the most suitable WAX type GC column for your application.

WAX-type fused silica GC columns use highly polar polyethylene glycol (PEG) as the stationary phase, enabling excellent separation of polar compounds that are difficult to achieve with non-polar or low-polarity columns. WAX columns exhibit varying heat resistance, inertness, and selectivity due to the optimization of stationary phase chemistry, allowing them to perform well for specific analytes.

• Other physicochemical equipment

The glass pot lid has a hydrophilic heat-resistant coating, allowing you to check the cooking state without any fogging.

"Because it's an invisible place, we won't overlook it." Japan's climate is characterized by high temperatures and humidity, and particularly after typhoons and heavy rains, the conditions can be harsh for homes. It's not just the roofs and exterior walls that are affected by rain and wind. The area beneath the floor is actually the most susceptible and often overlooked point. This time, we will explain the "checkpoints for under the floor" that should be confirmed after a typhoon or heavy rain, the "responses" if abnormalities are found, and measures for preventing recurrence. [Table of Contents] ■ Why is underfloor checking necessary? ■ Checkpoints to confirm after a typhoon or heavy rain ■ Responses when damage is discovered ■ Points for preventing recurrence ■ Suggestions from Seihou Products ■ Summary Please be sure to read the [related materials] and [related links]. ↓ ↓ ↓

Explosion-proof motors available in stock We will deliver within 7 days to meet your delivery schedule. 【What is an explosion-proof motor?】 In factories and plants, flammable gases and vapors are present. When these mix with air and come into contact with an ignition source, an explosion or fire can occur. This motor is designed with measures to eliminate such ignition sources. 【Available stock models】 ■ Pressure-resistant explosion-proof motors, explosion-proof grade d2G4 - Foot-mounted type, output 0.4 to 3.7 kW, 4 poles - Flange type, output 0.4 to 0.75 kW, 4 poles ■ Increased safety explosion-proof motors, explosion-proof grade eG3 - Foot-mounted type, output 0.2 to 0.75 kW, 2 and 4 poles - Flange type, output 0.2 to 0.75 kW, 2 and 4 poles

As part of the "Hometown Ibara Future Creation Human Resource Development Project," we welcomed local elementary and middle school students to the special summer program "Ibara Job Exploration Tour 2025," a collaboration between the Ibara City Chamber of Commerce and the Corporate Branding Committee. We conducted a presentation that clearly and enjoyably introduced how our technology supports society, allowing the children to learn about the appeal of manufacturing and the significance of working while interacting with actual devices and products. Through this initiative, we hope to deepen our connection with the community and nurture the curiosity of the children who will carry the future. We sincerely thank everyone who participated, as well as all those involved in planning and organizing the event.

We will disclose the interim financial results for the fiscal period ending December 2025.