1. Agency NEP (1989) Water quality-determination of manganese-potassium periodate spectrophotometric method. Standard press of China, Beijing, China, pp GB 11906–89. http://www.csres.com/detail/83178.html
2. Agency NEP (1996) Integrated wastewater discharge standard. Standard press of China, Beijing, China, pp GB 8978–1996. http://www.csres.com/detail/70801.html
3. Agency NEP (2010) Solid waste-extraction procedure for leaching toxicity-horizontal vibration method. Standard press of China, Beijing, China, pp HJ 557–2010. http://www.csres.com/detail/209353.html
4. Agency NEP (2015) Solid waste-determination of metals-inductively coupled plasma mass spectrometry (ICP-MS). Standard press of China, Beijing, China, pp HJ 766–2015. http://www.csres.com/detail/277694.html
5. Agency NEP (2018) Manganese ores-determination of hygroscopic moisture content-gravimetric method. Standard press of China, Beijing, China, pp GB/T 14949.8–2018. http://www.csres.com/detail/319967.html