PFAS Analysis Vial Kit

A Brief Overview of WelchLab Sample Vials and Kits

Welch Materials' sample vials are crafted from Type I hydrolytic borosilicate glass, compliant with the United States and European Pharmacopeias. These products are designed to reduce consumables in your experiments, minimize errors caused by ghost peaks, needle damage, and septa movement, and significantly decrease the likelihood of failed analyses. They also allow for effective sample reuse.

Product Features

  1. LCGC certified for quality assurance.
  2. Made from high-quality Type I 51-expansion glass and Type II 33-expansion glass.
  3. Manufactured with computerized photo inspection systems to control quality parameters such as height, diameter, bottom thickness, vial mouth, and thread.
  4. Compatible with a variety of HPLC, LC-MS, and GC instruments.
  5. Large inventory available to meet diverse customer demands.
  6. Vials, caps, and septa can be purchased separately.
  7. Excellent batch-to-batch reproducibility.
  8. Shipped globally and directly from our warehouses in China
  9. OEM/ODM customizable.

INNOVATIVE | REPRODUCIBLE | RUGGED

Ultra-clean autosampler vial kit

Bestseller

Ultra-clean Autosampler Vial Kit

2 mL certified 9-425 pre-cleaned autosampler vials with customizable caps, septa, and inserts. Compatible with most autosamplers.

Intended for the storage and analysis of samples in GC, HPLC, and MS analyses.

High sealing performance and chemistry resistance with low contamination risks.

Customizable caps and septa.

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EPA/TOC Vial Kit

VOA/TOC Vial Kit

Certified VOA/TOC analysis vials. Compliant with EPA regulation standards. Compatible with most VOA/TOC analyzers.

Manufactured in ISO Class 100,000 cleanrooms under ISO 9001 regulation, with extra steps of rinsing with low TOC reagent to achieve minimal organic residue.

Durable and leak-proof caps and septa which can be customized to meet your experiment requirements.

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PFAS Analysis Vial Kit

PFAS Analysis Vial Kit

PFAS-free materials and ultra-clean process for contamination-free sampling. Targeted for PFAS analysis in environmental and water testing.

Ideal for sample storage, preparation, and transport in PFAS analysis using LC-MS/MS.

The septa are also made of polyimide rather than PTFE to avoid false positives.

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Technical Specifications

  • Ultra-clean Vial Kit

    Dimension: ⌀12mm × 32mm

    Vial material: clear/amber glass

    Septum: 1.5 mm-thick PTFE & silicone

    Package: 100 per pack, 50 pack per case

  • EPA/TOC Vial Kit

    Volume: 20 mL/40 mL

    Vial material: clear/amber borosilicate glass

    Septum: 3.0 mm-thick PTFE & silicone

    Carbon content: <10ppb

  • PFAS Analysis Vial Kit

    Volume: 2 mL

    Vial material: Polypropylene

    Vial top & cap: Screw

    Septum: Polyimide
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Frequently Asked Questions

Price and Payment

Are the prices listed on your website FOB prices?
Yes, unless otherwise noted, all prices are quoted on an FOB basis.

Is there a minimum order quantity (MOQ)?
Yes, a minimum order quantity applies. Please contact us for details before placing your order.

What payment methods do you accept?
We accept major credit cards, PayPal, and a variety of other secure payment options. Please contact us to confirm if your payment method can be accepted.

Do you offer discounts for bulk purchases?
Yes, we provide volume-based discounts for bulk orders. For more information, please contact us if you are interested in placing a large order.

Do you offer discounts for repeat customers?
Yes, we offer discounts and special offers for our regular customers. Please contact us for more details on how to enroll.

Product and Quality

Can I request product samples before placing a large order?
Yes, we offer samples for many of our products. Please contact our sales team to inquire about availability and shipping costs.

Do you offer customization options for your products?
We offer customization services for select products, including packaging, branding, and specific dimensions, etc. Please contact us with your requirements to discuss possibilities.

How do you ensure the quality of your products?

As an ISO-9001 certified manufacturer, our products undergo stringent quality control checks at various stages of production to ensure they meet industry standards and our high-quality expectations.

What should I do if a product I want is out of stock?
Out-of-stock products are not necessarily unavailable. Please contact us to confirm the availability before placing your order.

Shipping Internationally

Do you ship internationally?
Yes, we provide international shipping to most countries. Shipping costs and delivery times vary based on your location.

Where will my order be shipped from?
All orders are dispatched from our warehouses in China.

How are shipping costs calculated?
Shipping costs are determined by the weight and dimensions of your order, as well as the shipping destination. Exact shipping costs are displayed on the quote from our sales team.

What if I need expedited shipping?
Expedited shipping is only available if we have stock for your requirements and shipping methods available.

Can I request specific shipping carriers for my order?
Yes, if you have a preferred shipping carrier, please notify us when placing your order, and we will accommodate your request where possible.

Will I need to handle customs clearance?
Depending on the shipping terms, you may need to manage customs clearance. For orders on FOB/CNF terms, you are responsible for customs clearance. However, for DDP terms, we handle customs clearance and deliver the goods directly to you. Please contact us for further details.

Do you provide documentation for customs clearance?
Yes, we supply all required documentation, including invoices, packing lists, and certificates of origin, to facilitate customs clearance. Please inform us if any specific documents are needed.

Customer Service

What are your business hours?
Our customer service and sales teams are available Monday through Friday, 9 AM to 6 PM (China Standard Time). Inquiries outside these hours will be addressed within 24 hours.

How can I track my order?
After your order is shipped, you will receive a confirmation email containing a tracking number. This number can be used to monitor your shipment on the carrier’s website.

How long will delivery take?
Orders are processed within 1-2 business days. Delivery times depend on your location and the shipping method chosen. We will provide you an estimated lead time when you confirm your order.

How do I contact customer service?
You can reach our customer service team via email at inquiry@welchmat.com, through the contact form on our website, or via Live Chat. We aim to respond within 24 hours.

Aftersale Service

Can I cancel or modify my order after it has been placed?
Cancellation or order modification are not available once we begin to prepare to manufacture the products. You may change shipping information only before the production is finished.

What is your return policy?
Due to the cost of international shipping, returns are not available unless there is an issue with product quality or you received incorrect item(s).

What should I do if I receive a damaged or incorrect item?
If you receive a damaged or incorrect item, please contact us immediately with your order number and a photo of the item. We will arrange for a replacement or refund promptly.

Do you provide technical support for your products?
Yes, we have a technical support team available to assist with product usage, troubleshooting, and recommendations. Feel free to reach out to us for technical inquiries.

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