Buy 40mL TOC Vials & Purge and Trap Vials

Description

Feature

Specification

Product

FAQ

Packing and Delivery

Overview

These 40mL 24-400 screw neck vials are engineered specifically for demanding environmental water testing, Total Organic Carbon (TOC) analysis, and automated purge and trap system sampling. Manufactured from premium 5.0 type borosilicate glass (USP Type I compliant), they exhibit exceptional chemical inertness to eliminate risk of pH shifts and unwanted chemical leaching during sample storage.

Designed to meet stringent international laboratory protocols such as EPA Method 524.2, the uniform dimensions of 27.5*95mm ensure seamless compatibility with mainstream autosamplers without risking mechanical downtime. This product series provides laboratories with an optimized solution for trace volatile organic compounds (VOCs) monitoring where an ultra-low carbon background is critical.

Features

High-purity, standardized 40mL vials tailored for strict environmental trace analysis and automated sampling.

Perfect Compatibility: Standard 27.5*95mm dimensions with 24-400 threads seamlessly fit mainstream autosamplers and purge & trap systems.

USP Type I Glass: Premium 5.0 type borosilicate glass structure minimizes elemental leaching during critical sample storage.

Low TOC Background: Strict cleanliness control prevents carbon background contamination, maximizing data reproducibility in TOC detection.

Light Protection: Amber glass options effectively shield light-sensitive volatile organic compounds (VOCs) from degradation.

Easy Tracking: V4025 and V4045 models feature a high-contrast ceramic write-on spot that resists laboratory solvents and heat.

Related products

24-400 EPA screw neck vials for laboratory sample storage

24-400 EPA Vials for Sample Storage

24-400 screw caps and 22mm PTFE silicone septa kit for environmental testing

24-400 EPA Vial Screw Caps 22mm PTFE/Silicone Septa for VOC Analysis

15-425 Screw Neck Storage Vials

Analytical Grade 15-425 Caps and 13.5mm Septa for Lab Use

15-425-screw-caps -ptfe-silicone-septa

Ordering Specification Table

Specifications Table

Part No.	Description	Dimension	Glass Type	Pcs/Pack	Application
V4015	40mL 24-400 Clear Screw Neck Vial	27.5 * 95mm	5.0 Borosilicate	100	TOC & Purge and Trap System
V4025	40mL 24-400 Clear Screw Neck Vial, w/Spot	27.5 * 95mm	5.0 Borosilicate	100	TOC & Purge and Trap (With Marking)
V4035	40mL 24-400 Amber Screw Neck Vial	27.5 * 95mm	5.0 Borosilicate	100	Light-Sensitive TOC & Purge and Trap
V4045	40mL 24-400 Amber Screw Neck Vial, w/Spot	27.5 * 95mm	5.0 Borosilicate	100	Light-Sensitive Analysis (With Marking)

FAQ

Technical answers addressing buyer concerns about compatibility, materials, and wholesale options.

Are these 40mL vials compliant with EPA standards?

Yes. They fully comply with EPA requirements for volatile organic analysis (VOA), TOC testing, and protocols like EPA Method 524.2.

What is the advantage of 5.0 type borosilicate glass?

It is USP Type I neutral glass with excellent chemical resistance, preventing the vial from releasing organic carbon or alkali into samples.

Do you offer matching 24-400 caps and septa?

Yes. We provide matching 24-400 open-top screw caps and high-purity PTFE/Silicone septa. Contact us for bundle orders.

Will the ceramic write-on spot peel off during autoclaving?

No. The marking spot is high-temperature sintered ceramic, making it fully resistant to laboratory acids, bases, heat, and autoclaving.

When should I choose Amber vials over Clear ones?

Clear vials are ideal for checking sample clarity, while Amber vials shield light-sensitive analytes from UV degradation.

Oct

Packing and Delivery

Packing

Each vial is individually protected in shrink-wrapped trays, 100–200 pcs per inner box, then packed into corrugated export cartons.

Labeling

Each carton includes lot number and product information for traceability.

Delivery Time

Normally 7–15 working days after order confirmation.

Shipping Options

Air freight, sea freight, or express (DHL/UPS/FedEx) available upon request.

Storage Condition

Store in a clean, dry environment at room temperature.

Company Profile

Zhejiang Aijiren Technology Co., Ltd.

A dedicated original manufacturer of chromatography and laboratory consumables.

10,000+ m² modern facility with Class 100,000 cleanrooms
Automated production lines and rigorous in-house quality control
High-volume capacity, fast lead times, and reliable global supply
OEM/ODM customization with full batch traceability
Trusted by laboratories and analytical instrument brands worldwide

VR Showroom

OEM/ODM Custom Laboratory Consumables

Aijiren turns your customized requirements—size, material, color, logo, or packaging—into reliable, ready-to-use products.

OEM/ODM

Precise manufacturing based on your drawings and specifications, with one-stop development support

Confidentiality

Full protection of all commercial information, molds, and designs

Stable Supply

Automated production ensures consistent quality and fast lead time

Technical Support

Dedicated team ensures smooth communication and hassle-free delivery

FAQ From Customers (VR Display)

What certificates do you have?

Aijiren is certified to ISO 9001:2015 by SGS, ensuring controlled manufacturing processes and stable, fully traceable product quality.

With continuous investment in R&D and multiple independent patents, we deliver high-performance and reliable consumables to laboratories worldwide.

Some of the certificates of Aijiren are displayed

What’s the MOQ? Do you accept small orders?

Aijiren supports both standard and small batch orders. While MOQ varies by product type, we are happy to accommodate smaller quantities for trial, testing, or special projects. Please contact us for specific requirements. aijiren Quality control

Is the quality guaranteed?

All Aijiren products undergo random sampling and multiple in-house quality tests. Each batch is fully traceable, ensuring stable and reliable performance for your laboratory work.

What kind of after-sales support does Aijiren provide?

Aijiren provides practical after-sales support:

● Returns & replacements: Any product affecting use or sales can be returned or replaced.

● Technical support: Assistance with product use and troubleshooting.

● Order tracking & follow-up: We monitor shipments and follow up to ensure timely delivery.

● Dedicated contact: Aijiren provides a direct contact for after-sales inquiries.

This ensures your laboratory work runs smoothly with minimal disruption.

How long will it take for orders?

The delivery time depends on the order quantity and whether customization is required:

In-stock products: shipped within 3–7 days after payment
Standard bulk orders: shipped within 2–4 weeks
OEM/ODM customized products: shipped within 3–5 weeks (depending on mold, logo, color, packaging, etc.)
Aijiren has automated production lines and a 100,000-class cleanroom, ensuring stable lead times and reliable supply.