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

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

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

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

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

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

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

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

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

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%