根据日本自来水法标准进行自来水中氯酸、溴酸的LC/MS/MS分析 (JJ-50 2D)
时间:2024-12-04 阅读:52
Sample : 5 μL
10 μg/L each for ClO3-, BrO3-
in Tap water containing sodium thiosulfate 0.3 w/v%
1. ClO3-, Chlorate
2. BrO3-, Bromate
3. S2O32-, Thiosulfate
Sample: 5 μL
Tap water containing
sodium thiosulfate 0.3 w/v%
1. ClO3-, Chlorate
2. BrO3-, Bromate
3. S2O32-, Thiosulfate
Column : Shodex RSpak JJ-50 2D (2.0 mm I.D. x 150 mm)
Eluent : (A); 200 mM HCOONH4 aq./(B); CH3CN
Linear gradient (High pressure);
85 % B (0 min) → 85 % B (8 min) → 50 % B (9 min) → 50 % B (20 min)
Flow rate : 0.3 mL/min
Detector : ESI-MS/MS (MRM Negative) for ClO3-, BrO3-
ESI-MS (SIM Negative) for S2O32-
Column temp. : 50 ℃