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Question/Answer

Where can I find the COA for specific BOD bottle lots?

BOD bottles do not come with a certificate of analysis.

How much do the disposable BOD bottles cost?

Please contact your sales representative or log in with your customer ID to get the current price on this item.

Do you provide certificates of analysis for the BOD bottle lots?

BOD bottles do not come with a certificate of analysis.

Are these bottles compatible with the regular glass stoppers or do you have to have the acrylic ones?

We sell the acrylic stoppers but the standard glass stoppers also fit the disposable BOD bottles.

In the past we got a booklet called BOD From a Bug\'s Eye View (I think)and I think we got it from you. Would like to get another on if it\'s available

That is item D1020.

Are the disposable BOD bottles ready for immediate use? Is there any preparation needed to be done to the bottles (i.e. rinsing the inside of the bottle) before using them for the BOD analysis?

These bottles are ready for immediate use right out of the box.

Do bottles have a COA verifying the volume accuracy of 300mL?

Yes, we do have a volume certification for the BOD bottle. You can find the documents under the Technical tab on our website. \r\n\r\nhttp://www.envexp.com/technical \r\n\r\nClick on ‘Volume Certifications’, then click ‘Volume Data – D1001’. Then, find the document associated with your lot number.

is there a volume discount on these?

Please contact your sales representative to discuss the price of items that you order.

What maximum temperature can these bottles handle before they begin to melt?

Our disposable BOD bottles are made from PET resin, which has a melting point of 260°C.

do these bottles have an expiration date?

No, BOD bottles do not have an expiration date.

Is Environmental Express the manufacturer of BOD bottles?

Yes, Environmental Express is the manufacturer of our disposable BOD bottles.

Are the bottles recyclable after waste water testing? Is it considered hazardous if recycled?

Yes, the bottles are recyclable after waste water testing. No, they are not considered hazardous.

Is there a plan in the future to have them preprinted with barcodes and numbers to distinguish samples?

The D1001 bottles currently come with preprinted numbers on them to distinguish samples. We do not plan on adding barcodes to the bottle. Barcode scanners aren’t able to pick up the barcode on these bottles because of light scattering.

What is the cost per case of the plastic 300 mL BOD bottles?

You can log into our website and see the current pricing for this product. You can also call customer service at 1-800-343-5319 for assistance.

Do you have any nutrient solution to use with these bottles?

Yes, we have nutrients available in multiple sizes. Please refer to the following product page: http://www.envexp.com/products/1-Wet_Chemistry/BOD-BOD_Testing/BODDW-Dilution_Water

What is the max temperature the bottle can handle? We are trying to see if the bottle can withstand a hot water bath.

The bottles are molded from PET, which has a melting point of 260°C.

Can I use glass stoppers?

Yes, the standard glass stoppers will fit into these bottles.

Does Env Express have a program for recycling the disposable BOD bottles? Or is that something we would have to do locally through a recycling program?

We do not have a recycling program for the BOD bottles. They are number 1 PET plastic and are easily recyclable. Check with your local municipality for recycling programs and instructions in your area.

Do you have data on how the disp BOD bottles work for a twenty day BOD?

Because of the lack of information regarding QC we have not gathered any data for tests lasting longer than 5 days for our disposable BOD bottles. We do have customers who have used the bottles for longer term BOD projects. It will depend entirely on the composition of the sample and how it might react with the coating on the bottle.

Do you have a certification of the volume for BOD Bottles?

Disposable BOD bottles are volume accurate to 300 mL +/- 1%. The volume accuracy is determined by weight using an analytical balance certified with Class S weights traceable to NIST at room temperature. Certificates are not supplied with the bottles but every lot is tested to meet these requirements before they are released.

Do the disposible BOD bottles leach carbon (dissolved organic carbon)? How long does the carbon coating last?

Our disposable BOD bottles do not leach carbon. The carbon coating will last indefinitely, however it is not recommended that the bottles are re-used as cleaning the bottles may scratch the coating, thereby sacrificing the integrity of the oxygen impermeable bottle.

Do you receive a certificate of calibration w/ the bottles?

No certification is provided with the BOD bottles.

the volume of the bottle is 300 ml +/- ?? ml ? thanks fore a data sheet

The volume of our disposable BOD bottle is 300mL +/- 3mL. The uniformity of our disposable bottles has been found to be better than the uniformity of glass bottles due to inequalities that are inherent in the manufacturing process of glass bottles.

Why are the bottles yellow?

They are yellow due to the amorphous carbon coating. This coating prevents oxygen migration in or out of the bottle.

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