Understanding the different measures of purity of gold

The purest gold has a measure of 24 carats.A fineness of 100% is impossible to achieve as there will be some degree of impurity in commercially available gold

Gold Analyzer- To Measure The Exact Purity Of Gold!, by Napco Balances

24 Karat Gold, What is the difference between 24k, 22k and 18k gold?

Gold Purity 101: Your Ultimate Guide to Understanding Gold's Quality

How to Measure Purity of Gold

One Grain Gold Bar: 6 Important Questions - Hero Bullion

What unit is used to measure the purity of gold? - Quora

How to Know Gold Karat

9999 vs 999 Gold: What is Fine Gold? Global Bullion – Global Bullion Suppliers

Dupion Fine Jewellery - This illustration outlines the purity of gold measured using the Karat (K) system, which is a measurement indicating the proportion of gold in an alloy out of 24

What does Gold Carat mean?

How Is Gold Measured and Evaluated - Manhattan Gold & Silver