d_pretreatment_fo_gb_lf

CODE DESCRIPTION CATEGORY FROM_YEAR TO_YEAR
PA06 Extraction with diluted HNO3 Extraction methods 1984  
PA99 Other extraction method Extraction methods 1984  
PB02 Open digestion with H2SO4/H2O2 Digestion methods (open system) 1984  
PB03 Open digestion with HNO3 Digestion methods (open system) 1984  
PB04 Open digestion with HNO3 /H2SO4 Digestion methods (open system) 1984  
PB05 Open digestion with HNO3/H2O2 Digestion methods (open system) 1984  
PB06 Open digestion with HNO3/HClO4 Digestion methods (open system) 1984  
PB07 Kjeldahl H2SO4 with Se or Cu catalyst Digestion methods (open system) 1984  
PB08 Modified Kjeldahl H2SO4 with Ti/Cu catalyst Digestion methods (open system) 1984  
PB99 Other digestion method (open system) Digestion methods (open system) 1984  
PC01 Pressure digestion HNO3 Pressure digestion methods 1984  
PC02 Pressure digestion HNO3/H2O2 Pressure digestion methods 1984  
PC03 Pressure digestion HNO3/HF (total digestion) Pressure digestion methods 1984  
PC99 Other pressure digestion method Pressure digestion methods 1984  
PD01 Microwave pressure digestion HNO3 Microwave pressure digestion methods 1984  
PD02 Microwave pressure digestion HNO3/H2O2 Microwave pressure digestion methods 1984  
PD03 Microwave pressure digestion HNO3/H2O2/HCl Microwave pressure digestion methods 1984  
PD04 Microwave digestion HNO3/HClO4 Microwave pressure digestion methods 1984  
PD05 Microwave pressure digestion HNO3/HF (total digestion) Microwave pressure digestion methods 1984  
PD99 Other microwave pressure digestion method Microwave pressure digestion methods 1984  
PE01 Oxygen ashing (Schöniger) Dry ashing digestion methods 1984  
PE99 Other dry ashing methods Dry ashing digestion methods 1984  
PZ01 Material melted and formed (tablet) for XRF methods Other methods 1984  
PZ02 Material pressed (pellet) for XRF methods Other methods 1984  
PZ98 No pretreatment Other methods 1984  
PZ99 Pretreatment method not in this list Other methods 1984