Method and system for measuring chlorine content of chlorinated paraffin
A technology of chlorinated paraffin and determination method, applied in the field of analysis and detection, can solve the problems of easy generation of errors, errors, complicated detection and the like, and achieve the effect of less sample consumption
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[0048]Example 1
[0049]1. Instruments and reagents
[0050]Instrument: Agilent 7890B-5977A gas chromatography-mass spectrometer, Frontier PY-3030D micro furnace cracker.
[0051]Reagents: n-hexane (chromatographic grade), the standard series of chlorinated paraffins (chlorine content N = 41.95%, 44.78%, 47.58%, 50.40%) are prepared with standard chlorinated paraffins with chlorine content N = 41.95% and 70.12%. Fossil wax test product (chlorine content N = 42.06%, executive standard: HG / T 3017-1988 mercury method).
[0052]2. Methods and results
[0053]2.1 Measurement conditions
[0054]Chromatographic conditions: initial column temperature of 50℃, keep for 1min, increase to 280℃ at 10℃ / min, keep for 2min; inlet temperature of 280℃; mass spectrometry conditions: quadrupole temperature of 150℃, ion source temperature of 230℃, interface temperature 250°C, monitoring in selected ion mode. Cracking conditions: cracking temperature 850℃, cracking time 30s. Injection volume: 100μL.
[0055]2.2 Standard curv...
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[0061]Example 2
[0062]1. Instruments and reagents
[0063]Instrument: Agilent 7890B-5977A gas chromatography-mass spectrometer, Frontier PY-3030D micro furnace cracker;
[0064]Reagents: Cyclohexane (chromatographic grade), the standard series of chlorinated paraffins (chlorine content N=47.58%, 50.40%, 53.22%, 56.04%) are prepared with standard chlorinated paraffins with chlorine content N = 41.95% and 70.12%. Chlorinated paraffin test product (chlorine content N=52.18%, executive standard: HG / T 3017-1988 mercury method).
[0065]2. Methods and results
[0066]2.1 Measurement conditions
[0067]Chromatographic conditions: initial column temperature of 50℃, keep for 1min, increase to 280℃ at 15℃ / min, keep for 2min; inlet temperature of 250℃; mass spectrometry conditions: quadrupole temperature of 150℃, ion source temperature of 230℃, interface temperature 250°C, monitoring in selected ion mode. Cracking conditions: cracking temperature 850℃, cracking time 36s. Injection volume: 100μL.
[0068]2.2 Stan...
Example Embodiment
[0074]Example 3
[0075]1. Instruments and reagents
[0076]Instrument: Agilent 7890B-5977A gas chromatography-mass spectrometer, Frontier PY-3030D micro furnace cracker;
[0077]Reagents: Cyclohexane (chromatographic grade), the standard series of chlorinated paraffins (chlorine content N = 58.85%, 61.67%, 64.49%, 67.30%) are prepared with standard chlorinated paraffins with chlorine content N = 41.95% and 70.12%. Chlorinated paraffin test product (chlorine content N=63.14%, executive standard: HG / T 3017-1988 mercury method).
[0078]2. Methods and results
[0079]2.1 Measurement conditions
[0080]Chromatographic conditions: initial column temperature of 50℃, keep for 1min, increase to 280℃ at 10℃ / min, keep for 2min; inlet temperature of 280℃; mass spectrometry conditions: quadrupole temperature of 150℃, ion source temperature of 230℃, interface temperature 250°C, monitoring in selected ion mode. Cracking conditions: cracking temperature 800℃, cracking time 60s. Injection volume: 100μL.
[0081]2.2 St...
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