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Frequently Asked Questions

General Questions

Visit our About Us section for additional information about our company.

What are your hours of operation?

We're open Monday through Friday from 7:00 AM to 6:00 PM (EST). Order online or request a quotation anytime. You may also fax us at 1.540.585.3012.

My order never arrived. What should I do?

We'd be happy to track the status of your order. Contact us with your PO number and/or order number.

How long has Inorganic Ventures been in business?

We've been manufacturing standards since 1985. More about us »

Are you ISO accredited?

Yes. We carry three ISO accreditations: ISO 17034, ISO 17025, and ISO 9001.Scopes and certificates »

What countries and continents do you serve?

We service the world from our Christiansburg, Virginia manufacturing center. 

For sales and pricing outside of the US, contact a distributor in your region.

I didn't find the (M)SDS/certificate of analysis I need on your site. Can you send it to me?

Yes, we can email you the document(s) you need in PDF format. Contact us and provide the catalog number ((M)SDS requests) or lot number (certificate of analysis requests) for each document you require.

Purchasing Questions

If your question is not answered below, contact us and we'll be happy to assist you in any matter.

Do you sell custom standards?

Absolutely. In fact, custom standards are our specialty. We'd be happy to provide you with a quotation for your application. Request a quote online or call us 1.800.669.6799 to discuss your needs.

What is your turnaround time for custom solutions?

Our turnaround time is two-day shipping for stock items and 5-10 days for custom solutions. These numbers may vary depending upon the nature of the request.

Can I order custom solutions online?

Yes, provided you've ordered the solution from us before. Proceed to our ordering page and you'll be able to enter the catalog number and volume of each custom standard you require.

I'd like to buy one of your stock standards in a different size. Can you accommodate me?

Absolutely. We can satisfy special packaging requests for any of our stock items. Simply mention your preference when you place your order.

Which credit cards do you accept?

We gladly accept Visa, MasterCard, and American Express. There are no added fees for credit card transactions.

I forgot an item when I placed my order online. Can I order that item and have it shipped with my first order?

Yes. Let us know and we'll process your orders together. If possible, use the same PO number that appeared on your first order.

Can I request a specific shipping method when I order?

We will accommodate you with any method of shipment, provided the carrier accepts our products for shipment to your destination. Simply let us know your preference when you place your order.

Can I put shipping charges for an order on my own UPS or Federal Express account?

Yes. Specify your preferred method of shipment and account number when you place your order.

Do you accept CODs?

Yes. Before your order ships, an accounting representative will contact you with the total amount due.

Technical Questions

Visit our Tech Center for a variety of technical resources, including our Interactive Periodic Table and dozens of helpful guides for spectroscopy and analytical chemistry.

How should I store your standards once they arrive?

Standards should be kept at room temperature (18 to 24°C) unless otherwise stated on the Certificate of Analysis.

My solution arrived frozen. How should I proceed?

Most standards will thaw without effecting the analytes. However, this is not true of all elements. We recommend you contact us with your solution's catalog number and we'll confirm whether it's still safe to use. If it's not, we will gladly replace it, free of charge.

What information is listed on your Certificates of Analysis?

Our ISO Guide 31-compliant certificates include certified values based on two independent methods, traceability to specific NIST SRMs and lots, trace metallic impurities listing the analytical data from all traces, plus all other mandatory information.

What is the expiration date of your standards?

Typically, our expiration dates are no greater than one year. There are many factors that prevent our scientists from endorsing an expiration beyond a year. However, we do offer a purchasing options to keep standards viable for longer than a year. Contact us for details.

What is the shelf life of your standards?

Most standards have an unopened shelf life of at least 24 months — larger bottles can last for up to 10 years or longer. However, once the bottle leaves our patented "Transpiration Controlled" storage center, the shelf life is reduced significantly. This is caused by transpiration.

What is the difference between a standard's shelf life and expiration date?

Shelf life is the amount of time that an unopened standard will last without undergoing chemical or physical changes. Expiration date refers to the amount of time that a standard should remain in use after it has been opened. More information »

Why am I getting low results for Silver (Ag)?

Try to avoid mixing Silver with Chloride. However, if your method requires an HCl matrix, do the following:

  • Keep the solution away from the light
  • Keep the HCl content as high as possible
  • Keep the Ag concentration as low as possible

Consult our Interactive Periodic Table for detailed information pertaining to every spectroscopic element.

What is the difference between Silica and Silicon?

The elemental form of Si is expressed as "Silicon". "Silica" is represented as SiO2 or Silicon Dioxide.

The main component on the (M)SDS does not match the starting material on the bottle and certificate. Why?

Oftentimes the starting material is converted chemically to another form that is listed on the (M)SDS and label. For example, the starting material for Antimony (Sb) is Sb metal. The metal is reacted with nitric acid and tartaric acid to form Antimony Tartrate. Thus, the component on the bottle and (M)SDS is Antimony Tartrate and the starting material listed on the certificate is Sb metal.

Have a question?

Share your analytical chemistry problem with our experienced team of scientists, including well-known spectroscopist Dr. Paul Gaines. Note that while we make an effort to respond to every question, customers of Inorganic Ventures are always given priority.

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