The mixture included acidifiers and acidity regulators such as citric acid, sodium citrates, phosphoric acid, and malic acid; coloring agents like ammonium sulfite caramel, anthocyanins ...

Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (ICS-OTRI), Osaka University, Suita, Osaka 565-0871, Japan ...

Research Institute of Natural Gas Technology, PetroChina Southwest Oil and Gasfield Company, Chengdu, Sichuan 610213, China Key Laboratory of Natural Gas Quality Control and Energy Measurement, China ...

Therefore, the quantity of ammonium nitrogen is a routine examination for the monitoring of surface water and wastewater in China. The development of a sensitive and selective analytical method for ...

The process, known as sulfide leaching, has been known to copper miners for decades, but the recent push to advance it comes as electrification and artificial intelligence are poised to drive ...

According to the American Academy of Asthma, Allergy and Immunology, as many as 5%-10% of sulfite reactions in people with asthma are fatal. If you have signs of an allergic reaction to sulfites ...