In surface treatment, nitric acid is commonly used for pre-treatment cleaning purposes. During its use, some substances will be indirectly generated, which are the "nitrate nitrogen" and "ammonia nitrogen" we are going to mention this time.
When using chemical products, you often hear people mention the word "halogen". Questions such as "Does this product contain halogen?" or "What is the specific content of halogen?" are often asked. Let's learn about halogen here!
The term "carbon footprint" appears mainly because global warming is becoming more and more serious, and the cause of warming is the production of greenhouse gases. When it comes to carbon footprint, it involves a wide range of aspects. From purchasing food, taking transportation to production and manufacturing, "greenhouse gases" will be produced,...
PFAS stands for Per- and Polyfluoroalkyl Substances in English, and its Chinese name is per- and polyfluoroalkyl substances.
The word RoHS is often heard in the industry, right?! But RoHS, RoHS, we know that it tests and analyzes several substances, but we don't know the details... Let's learn more about it here.
What is REACH? This word is often heard in the industry in recent years. Let us briefly introduce this word.
In recent years, environmental requirements have become increasingly strict, and air pollution and wastewater pollution have been listed as one of the key management projects. Here we will briefly explain the meanings of COD and BOD that are often heard in wastewater.
