磺胺二甲基嘧啶是一种抗菌磺胺药。适用于治疗溶血性链球菌、脑膜炎球菌、肺炎球菌等感染疾病，药效持久。

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
磺胺二甲基嘧啶	57-68-1	Sulfamethazine	SM2	279.0	186.0a/156.0	磺胺甲恶唑-d4

标准曲线

y =271.09711 x + 2.71266 (r = 0.99911)

本底图谱

Sample Name	Analyte Peak Name	Area (cps)	S/N	Analyte RT(min)	Target conc. ()	Calculated Concentration (ng/mL)
1	SM2_1	5.762e4	105.2	4.40	N/A	< 0

Sample Name	Analyte Peak Name	Area (cps)	S/N	Analyte RT(min)	Target conc. ()	Calculated Concentration (ng/mL)
2	SM2_1	3.493e4	67.2	4.40	N/A	< 0

Sample Name	Analyte Peak Name	Area (cps)	S/N	Analyte RT(min)	Target conc. ()	Calculated Concentration (ng/mL)
3	SM2_1	4.182e4	119.7	4.40	N/A	< 0

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	SM2_1	1.026e7	9806.3	4.39	N/A	97.13

Sample Name	Analyte Peak Name	Area (cps)	S/N	Analyte RT(min)	Target conc. ()	Calculated Concentration (ng/mL)
5	SM2_1	1.043e7	12765.0	4.39	N/A	99.71

Sample Name	Analyte Peak Name	Area (cps)	S/N	Analyte RT(min)	Target conc. ()	Calculated Concentration (ng/mL)
6	SM2_1	1.116e7	15994.5	4.40	N/A	95.89

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	SM2_1	1.952e7	8479.9	4.40	N/A	182.36

Sample Name	Analyte Peak Name	Area (cps)	S/N	Analyte RT(min)	Target conc. ()	Calculated Concentration (ng/mL)
8	SM2_1	1.990e7	21818.8	4.40	N/A	181.03

Sample Name	Analyte Peak Name	Area (cps)	S/N	Analyte RT(min)	Target conc. ()	Calculated Concentration (ng/mL)
9	SM2_1	1.908e7	7495.9	4.40	N/A	172.92

低标加标回收率（范围 50%-200%）：97.58%

高标加标回收率（范围 50%-200%）：89.39%

低标精密度（3次重复标准偏差）：2.00%

高标精密度（3次重复标准偏差）：2.86%