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Question/Answer

How long is the shelf-life period on these vials before expiration?

These vials have a shelf life of 5 years.

What are the concentrations of chromium and silver in ppm for this product?

In each, unused vial, the concentration of silver sulfate is 12601.63 mg/L and the concentration of potassium dichromate is 2857.14 mg/L. Therefore, in each, unused vial, the concentration of silver is 6359.70 mg/L and the concentration of chromium is 1010.69 mg/L. The addition of the sample will alter these concentrations.

where may i go to get a SDS for COD vials kit B1010, B1015 and B1020? We still have some on hand but need a current SDS for said items.

You can find SDSs on our website under the Technical tab: http://www.envexp.com/sds

CERTIFICATE OF ANALYSIS FOR LOT 12154

You can find our Certificates of Analysis on our website under the Technical tab or at http://www.envexp.com/coa.

What is the max number of mL of sample that these vials can hold?

The amount of reagent that is in the tube is designed to react with 2 mL of sample.

What is the storage condition for the Cat # B1015 and B1010 COD vials ?

Unused vials should be stored in a cool dark location. They are highly acidic and should be kept separated from basic materials. Used vials must be disposed of according to local hazardous waste regulations.

How much mercury is in the COD vials, 0-150mg/L?

For the 0-150 mg/L COD vials that contain Hg there is 27 mg of Hg / vial.

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