A north metro forensic laboratory is the first publicly funded lab in Minnesota to begin testing cannabis products to determine whether they're legal or illegal. Officials with the Midwest Regional ...

Gold purity is expressed in karats, with pure gold being 24 karats (24K). The karat system indicates the ratio of gold to other metals in an alloy. For example, 18K gold contains 75% pure gold and 25% ...

Our Mission: The ACS Committee on Analytical Reagents is the only committee in the world dedicated to establishing specifications and developing validated test methods for determining the purity of ...

A follow up study assessing the purity of avocado oil found not much has changed over the past several years, with researchers at University of California Davis determining that the majority of ...

Gold has been valued for centuries as a symbol of wealth and a secure investment. However, with its popularity comes the risk of counterfeit and impure gold entering the market. Whether you're buying ...