抗生素检测


甲氧苄啶为合成的广谱抗菌剂,单独用于呼吸道感染、泌尿道感染、肠道感染等病症,可用于治疗敏感菌所致的败血症、脑膜炎、中耳炎、伤寒、志贺菌病(菌痢)等。


名称 CAS号 英文名称 简称 母离子m/z 子离子m/z(a为定量子离子) 内标物
甲氧苄啶 738-70-5 Trimethoprim TMP 291.1 230.0a/261.1 磺胺甲恶唑-d4

标准曲线

抗生素检测

y = 172.23527 x + 9.00435 (r = 0.99648)


本底图谱


Sample Name Analyte Peak Name Area (cps) S/N Analyte RT(min) Target conc. () Calculated Concentration (ng/mL)
1 TMP_1 1.579e5 410.8 3.79 N/A < 0

本底图谱1

Sample Name Analyte Peak Name Area (cps) S/N Analyte RT(min) Target conc. () Calculated Concentration (ng/mL)
2 TMP_1 1.577e5 453.8 3.78 N/A <0

本底图谱2

Sample Name Analyte Peak Name Area (cps) S/N Analyte RT(min) Target conc. () Calculated Concentration (ng/mL)
3 TMP_1 1.463e5 236.1 3.78 N/A < 0

本底图谱3

低标(加标100ng/L)图谱


Sample Name Analyte Peak Name Area (cps) S/N Analyte RT(min) Target conc. () Calculated Concentration (ng/mL)
4 TMP_1 8.598e6 6830.3 3.78 N/A 120.35

低标(加标100ng/L)图谱1

Sample Name Analyte Peak Name Area (cps) S/N Analyte RT(min) Target conc. () Calculated Concentration (ng/mL)
5 TMP_1 8.371e6 17982.6 3.78 N/A 118.04

低标(加标100ng/L)图谱2

Sample Name Analyte Peak Name Area (cps) S/N Analyte RT(min) Target conc. () Calculated Concentration (ng/mL)
6 TMP_1 8.453e6 20242.8 3.78 N/A 106.29

低标(加标100ng/L)图谱2

高标(加标100ng/L)图谱


Sample Name Analyte Peak Name Area (cps) S/N Analyte RT(min) Target conc. () Calculated Concentration (ng/mL)
7 TMP_1 1.391e7 26613.6 3.78 N/A 196.23
高标(加标100ng/L)图谱1

Sample Name Analyte Peak Name Area (cps) S/N Analyte RT(min) Target conc. () Calculated Concentration (ng/mL)
8 TMP_1 1.437e7 23038.2 3.78 N/A 197.57

高标(加标100ng/L)图谱2

Sample Name Analyte Peak Name Area (cps) S/N Analyte RT(min) Target conc. () Calculated Concentration (ng/mL)
9 TMP_1 1.380e7 7995.5 3.78 N/A 188.62
高(加标100ng/L)图谱3

低标加标回收率(范围 50%-200%):114.89%

高标加标回收率(范围 50%-200%):97.07%

低标精密度(3次重复标准偏差):6.56%

高标精密度(3次重复标准偏差):2.49%

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