抗生素检测


磺胺间二甲氧嘧啶是一种长效磺胺原药,其抗菌谱与磺胺嘧啶相似,但抗菌作用较强,适用于菌痢、肠炎、扁桃体炎、泌尿道感染、蜂窝织炎、皮肤化脓感染等疾病。


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
磺胺间二甲氧嘧啶 155-91-9 Sulfadimethoxine SDT 311.0 156.0a/107.9 磺胺甲恶唑-d4

标准曲线

抗生素检测

y =192.50308 x + 1.31155 (r = 0.99890)


本底图谱


Sample Name Analyte Peak Name Area (cps) S/N Analyte RT(min) Target conc. () Calculated Concentration (ng/mL)
1 SDT_1 9.705e5 979.8 7.54 N/A 8.90

本底图谱1

Sample Name Analyte Peak Name Area (cps) S/N Analyte RT(min) Target conc. () Calculated Concentration (ng/mL)
2 SDT_1 9.949e5 1715.4 7.55 N/A 9.07

本底图谱2

Sample Name Analyte Peak Name Area (cps) S/N Analyte RT(min) Target conc. () Calculated Concentration (ng/mL)
3 SDT_1 9.949e5 1715.4 7.55 N/A 9.07

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 SDT_1 8.648e6 11290.1 7.54 N/A 116.34

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 SDT_1 8.507e6 12810.6 7.54 N/A 115.47

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 SDT_1 8.972e6 13473.3 7.54 N/A 109.50

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 SDT_1 1.564e7 22165.9 7.54 N/A 206.68
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)
8 SDT_1 1.589e7 23101.1 7.55 N/A 204.40

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)
9 SDT_1 1.566e7 22876.3 7.54 N/A 200.83
低标(加标100ng/L)图谱2

低标加标回收率(范围 50%-200%):105.05%

高标加标回收率(范围 50%-200%):97.62%

低标精密度(3次重复标准偏差):3.27%

高标精密度(3次重复标准偏差):1.45%

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