What are the concentrations of the elements in Solution A?

Please revisit the product page. We have updated the item description to list the included elements and concentrations.

Is this 17025:2017 certified?

As of May 2019 our standards manufacturer is certified to ISO 17025:2005

I do not need Hg std but need ICP-200.7-6500

ICP200.7-6500 comes in 2 solutions, an A and B. ICP200.7-6500A can be ordered as a separate item.

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