诺氟沙星（Norfloxacin），为第三代喹诺酮类抗菌药，会阻碍消化道内致病细菌的DNA旋转酶（DNA Gyrase）的作用，阻碍细菌DNA复制，对细菌有抑制作用，是治疗肠炎痢疾的常用药。

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
诺氟沙星	70458-96-7	Norfloxacin	NF	320.2	302.1a/276.2	环丙沙星-d8

标准曲线

y = 0.41395 x + 1.15225 (r = 0.99824)

本底图谱

Sample Name	Analyte Peak Name	Area (cps)	S/N	Analyte RT(min)	Target conc. ()	Calculated Concentration (ng/mL)
1	NF_1	1.815e4	14.3	3.52	N/A	＜0

Sample Name	Analyte Peak Name	Area (cps)	S/N	Analyte RT(min)	Target conc. ()	Calculated Concentration (ng/mL)
2	NF_1	1.346e4	13.4	3.82	N/A	＜0

Sample Name	Analyte Peak Name	Area (cps)	S/N	Analyte RT(min)	Target conc. ()	Calculated Concentration (ng/mL)
3	NF_1	2.277e4	10.4	3.54	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	NF_1	5.089e9	4491.6	3.82	N/A	128.09

Sample Name	Analyte Peak Name	Area (cps)	S/N	Analyte RT(min)	Target conc. ()	Calculated Concentration (ng/mL)
5	NF_1	6.524e6	5717.7	3.82	N/A	127.27

Sample Name	Analyte Peak Name	Area (cps)	S/N	Analyte RT(min)	Target conc. ()	Calculated Concentration (ng/mL)
6	NF_1	6.045e6	4925.8	3.83	N/A	119.31

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	NF_1	1.121e7	7038.3	3.83	N/A	211.57

Sample Name	Analyte Peak Name	Area (cps)	S/N	Analyte RT(min)	Target conc. ()	Calculated Concentration (ng/mL)
8	NF_1	1.366e7	6709.0	3.83	N/A	223.91

Sample Name	Analyte Peak Name	Area (cps)	S/N	Analyte RT(min)	Target conc. ()	Calculated Concentration (ng/mL)
9	NF_1	1.398e7	2619.5	3.83	N/A	211.86

低标加标回收率（范围 50%-200%）：124.89%

高标加标回收率（范围 50%-200%）：107.89%

低标精密度（3次重复标准偏差）：3.88%

高标精密度（3次重复标准偏差）：3.26%