Method for measuring content of boron in cobalt-base alloy
A cobalt-based alloy and boron content technology, applied in the preparation of test samples, color/spectral characteristic measurement, etc., can solve the problems of long sample dissolution time, long analysis cycle, uncertain analysis line selection, etc., and achieve simple operation, Wide measurement range, saving manpower and material resources
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Embodiment 1
[0038] Determination of B content in ZH188 cobalt-based alloy, using inductively coupled plasma emission spectrometer (French JY170), the working conditions and analysis lines of the instrument are as follows: high frequency frequency: 40.68MHz; incident power: 1.0Kw; reflected power: <15W; argon Air flow: cooling air flow: 15L / min; sheath air flow: 0.2L / min; incident slit: 20μm; exit slit: 15μm; sample lift: 1.2ml / min; integration time: 2s; elemental analysis line : Boron 182.583nm;
[0039] (1) The instruments used in the determination process are as follows:
[0040] (1.1), hydrochloric acid, ρ1.19g / mL; superior grade;
[0041] (1.2), nitric acid, ρ1.42g / mL; superior grade;
[0042] (1.3), hydrofluoric acid, ρ1.15g / mL; superior grade;
[0043] (1.4), cobalt standard solution: 10.0mg / mL; weigh 5.000g; >99.98% metal cobalt is placed in a 250mL beaker, heated and dissolved with 15mL hydrochloric acid (1.1) at low temperature, cooled, transferred to a 500mL volumetric flask,...
Embodiment 2
[0062] Determination of B content in ZH188 cobalt-based alloy, using inductively coupled plasma emission spectrometer (IRISintrepidII, USA), the working conditions and analysis lines of the instrument are as follows: high frequency frequency: 40.68MHz; incident power: 1.15Kw; reflected power: <15W; argon Air flow: cooling air flow: 15L / min; auxiliary air flow: 1.0L / min; pump speed: flushing pump speed 150rpm (2.77ml / min); analysis pump speed 120rpm (2.22ml / min); UV integration time: 5s ;Elemental analysis line: boron 182.641nm;
[0063] (1) The instruments used in the determination process are as follows:
[0064] (1.1), hydrochloric acid, ρ1.19g / mL; superior grade;
[0065] (1.2), nitric acid, ρ1.42g / mL; superior grade;
[0066] (1.3), hydrofluoric acid, ρ1.15g / mL; superior grade;
[0067] (1.4), cobalt standard solution: 10.0mg / mL; weigh 5.000g; >99.98% metal cobalt is placed in a 250mL beaker, heat and dissolve with 5-15mL hydrochloric acid (1.1) at low temperature, cool...
Embodiment 3
[0084] Determination of B content in GH188 cobalt-based alloy, using inductively coupled plasma emission spectrometer (France JY170), the working conditions and analysis lines of the instrument are as follows: high frequency frequency: 40.68MHz; incident power: 1.0Kw; reflected power: <15W; argon Air flow: cooling air flow: 15L / min; sheath air flow: 0.2L / min; incident slit: 20μm; exit slit: 15μm; sample lift: 1.2ml / min; integration time: 2s; elemental analysis line : Boron 182.583nm;
[0085] (1) The instruments used in the determination process are as follows:
[0086] (1.1), hydrochloric acid, ρ1.19g / mL; superior grade;
[0087] (1.2), nitric acid, ρ1.42g / mL; superior grade;
[0088] (1.3), hydrofluoric acid, ρ1.15g / mL; superior grade;
[0089] (1.4), cobalt standard solution: 10.0mg / mL; weigh 5.000g; >99.98% metal cobalt is placed in a 250mL beaker, heated and dissolved with 15mL hydrochloric acid (1.1) at low temperature, cooled, transferred to a 500mL volumetric flask,...
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