Optimization of ICP-OES for analysis of micro-mass biogenic carbonate
微量生物碳酸盐ICP-OES 元素分析中的仪器优化

To optimize Inductively Coupled Plasma-Optical Emission Spectrometer (ICP-OES) for elemental analysis of micro-mass biogenic carbonate, 1050 groups of instrument parameters, 32 standard solutions with different constituents, 36 analyte pairs and two instrument calibration methods were tested on a Thermo-Fisher iCAP 6300 Radial ICP-OES. The data were analyzed by means of conventional statistics and Scilab. The optimized instrument conditions of Thermo-fisher iCAP 6300 Radial ICP-OES for analysis of Mg/Ca and Sr/Ca ratios in micro-mass biogenic carbonate were enlisted as the follows: glass concentric nebulizer, 0.1 ml/min; coolant gas, default 12 L/min; nebulizer gas pressure, 0.24 MPa; peristaltic pump speed, 16 rpm; radio frequency generator power, 1000 w; view height, 15 mm; analyte lines, Ca 373.690 nm, Mg 279.553 nm {121}, Sr 407.771 nm; instrument calibration method, conventional intensity-concentration method.