This standard specifies the microwave acid digestion pretreatment method for total metal content in water. This standard is applicable to the microwave acid digestion pretreatment of the total amount of 20 metal elements in surface water, groundwater, domestic sewage and industrial wastewater, including silver (Ag), aluminum (Al), arsenic (As), beryllium (Be), and barium (Ba), calcium (Ca), cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), iron (Fe), potassium (K), magnesium (Mg), manganese (Mn), molybdenum (Mo), nickel (Ni), lead (Pb), thallium (Tl), vanadium (V), zinc (Zn), etc. Other metal elements are also suitable for this method after verification.
HJ 678-2013 Referenced Document
HJ 493 Water quality.Technical regulation of the preservation and handling of samples
HJ/T 164 Technical specifications for environmental monitoring of groundwater
HJ/T 91 Technical Specifications Requirements for Monitoring of Surface Water and Waste Water
HJ 678-2013 history
2013HJ 678-2013 Water quality.Digestion of total metals.Microwave assisted acid digestion method