The following information is provided to assist you in using our website. The site is easy to use and offers many tools to help you find items for your laboratory. If you have any questions, please call us at (800) 624-8285 or email us at

General Information

For General Inquires Contact Us at:


Preiser’s Product Line

Preiser, an ISO 9001 Certified Company, is a full-line national and international distributor of over 100,000 products for laboratory use from more than 2,000 worldwide vendors. Preiser is also a manufacturer of specialty testing products for coal and coke, minerals, and water testing laboratories.

Special Stock Program

We have programs to maintain Reserved or Consigned Inventory for you at no additional charge. The programs allow you to maintain a large inventory of materials, including hazardous chemicals. Contact us at (800) 624-8285 to discuss the details with one of our representatives.

Special Offers

Free product and gift card offers are only valid while supplies last; colors, sizes and items are subject to change. Free Shipping offers do not apply to items requiring special handling, international, heavy or hazardous orders. For these, shipping will be quoted separately or charged per your account’s terms. Offers are not transferable, and we reserve the right to exclude some customers and to change the validity date. No tax offers are limited to the first order and a maximum of $60. Tax offers may be canceled without notice.  

SDS & Certificate of Analysis

Our policy is to provide the latest Safety Data Sheet (SDS) for all chemicals we ship. Each shipment will contain an SDS for every chemical in the load and any chemical included in an instrument kit or calibration kit. Contact us for additional copies of an SDS or a copy of the Certificate of Analysis:


Website Registration & Login

A registered account is not necessary to browse our website, but you must complete registration to place an order. Select Register to set up an account or Login with your Customer ID. If you are unsure of your Customer ID, click Find My Customer ID on the bottom right. If you are unsure of your password, press Forgot Password located directly below the password field. Find My Customer ID and Forgot Password can be used by existing customers as long as we have your current email on file. If you need help registering or logging in, please call us at (800) 624-8285 or email us at

Product Registration

To register a product’s serial number with us, visit our product registration form here.


We make it easy to find the products you need. Using our search box, you can search by product type, product features, catalog number, and vendor item number. Alternatively, you can browse categories through the Categories Menu on the left side of the page or through the Categories section under My Account.

Advanced Search

Advanced Search allows you to search by more specific terms and select which categories the search will be performed in. Search by a combination of Keywords, Item Number(s), and Categories. Multiple Keywords and Item Numbers can be entered by separating them with a space. At the bottom of the screen, decide how you want the results to be sorted, then press Begin Search.

Price Match Guarantee

We will match the pricing of items advertised as Price Match Guarantee (PMG) from online and in-store sellers for immediately available products. You must inform your sales rep at the time of sale, and proof of pricing may be required, such as an ad copy, quote, or image. Match covers one price match per identical item, per customer, at the advertised pre-tax price. We have allocated limited quantities for the PMG, and the offer is only valid while supplies last. We reserve the right to exclude some competitors from this offer and to change the validity date. The following exclusions also apply, products shipped from or sold by third-party sellers on websites, bundle offers, subscription services, contract, free items, pricing errors, mail-in offers, coupon offers, items advertised as limited quantity, clearance items, credit or gift card offers, membership programs, or voice-only deals. 


We accept orders via our website, phone, FAX, E-mail, and US Mail. We will accept blanket orders and repetitive orders, such as from your Purchase History (found under My Account), making it easier for you to order your standard requirements. We accept company credit cards and purchase order numbers during the online checkout process. You can contact us to discuss any special terms you may request. We are sorry for any inconvenience. We work with businesses and organizations only and are unable to accept orders from individuals.

Payment Terms

Our terms are Net 30 Days for customers in the U.S. after credit has been approved and an open account has been established. Payment by customers abroad may be made through an irrevocable letter of credit on a US bank or as otherwise agreed upon at the time of the order. VISA, MasterCard and American Express credit cards and Electronic Funds Transfer (EFT) are also accepted.

Account Information


Quotes & Prices

Our laboratory products are competitively priced, and many items are available in each, package and case quantities. Most of the items are priced on our website.

For those not priced, marked as “RFQ,” you can submit a request for a quote by selecting quantity and unit of measure then clicking the blue Add to RFQ List button. After clicking the RFQ List button, you can either add the item to a preexisting list or create a new list. Once you are satisfied with the list, you can press the green SUBMIT QUOTE button on the screen’s bottom right. Submitting a quote will not place an order, but instead, you will receive an email notification that your RFQ is being processed. We will provide a quote via return email and respond promptly, usually within 24 hours. Quotes will generally be honored for 30 days, all terms and shipping charges will be subject to review at the time of order.

You can view your pending quotes can be viewed under Pending Orders & Quotes in My Account. Laboratory equipment may be quoted on an installed basis upon request. If you would like to remove a quote, email us at

If an order is submitted for an item with a “pricing error” we will notify you as soon as possible of the error and the correct price. You will have the option to accept the updated price or cancel your order at that time. We will determine if a “pricing error” has occurred at our own discretion and we are under no obligation to accept orders with “pricing errors.” 

All pricing is subject to change without notice.

Order History

Order History is located under My Account and allows you to view and search your order history by order number, PO number, as well as order date. You are also able to print out past invoices.

Purchase History

Purchase History is located under My Account and allows you to view your purchase history. You can reorder items from your Purchase History by filling out the quantity box to the right of the items you want to reorder and then clicking ADD TO CART. You are also able to search by date to find items you ordered at a particular time. Items that are not currently available on the website will be grayed out. Call us to inquire about these items.


Click for Sub-User Instructions

Wish List

The Wish List function allows you to create a wish list of items you are interested in purchasing in the future. You can also reorder items through Wish Lists. For example, you could name a list “Coal Testing” and include whichever items your lab uses for this test. Then, whenever you need to reorder, go back to your “Coal Testing” wish list, enter the quantity to the right of each item, click Add TO CART in the bottom right. You can leave some quantity fields blank if you only need to order some of the items on the list. You can also add or remove items at any time from the Wish List. Items are also able to be added directly from the product page. Note Unit of Measure is not able to be edited from the Wish List itself. However, the Unit of Measure can be changed at checkout if there are multiple units of measure for that item. You can also click on items in your Wish Lists to go to the product page.

Contact your salesman or email us at if you would like us to create a customized Wish List for you based on your contract pricing, purchase history, or otherwise.

Claims & Returns


Damage Claims

Please inspect all shipments immediately upon receipt. If external damage is evident or internal damage is suspected, note the damage on all copies of the delivery receipt before accepting the shipment from the carrier’s driver. Save the damaged product/s and all cartons and packing material. It is your responsibility to request that the carrier make an inspection immediately. Contact our Customer Service Department at (800) 624-8285 and inform them of the damage, with all relevant information concerning the order. If you discover concealed damage, please request a carrier inspection within 15 days of delivery and immediately notify our Customer Service Department.


We accept returns of items within 30 days of receipt. Call our Customer Service Department at (800) 624-8285 to explain why you are making the return and obtain a Customer Return Goods Number. Return products in the original container along with other appropriate items, including instruction manuals, warranty cards, accessory products delivered with the item, etc. Return the item/s marked as freight collect. Restocking charges may be applicable depending on circumstances relating to the return. Items must be in like-new condition and complete. Chemicals are not acceptable for return.

Service Center

Our Instrument Service Center is here to help you with all your service needs.  From repairs, installations, calibrations and/or upgrades, feel free to contact any of our service technicians with your questions or concerns.  Need to return an item for repair?  Our Customer Service Department may be reached at (800) 624-8285 to assist you in requesting a Customer Return Goods number (CRG).  All items returned for repair should be shipped back by prepaid freight with the CRG number clearly noted on the outside of the package.