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First Standard® 甲醇中5种哮喘镇咳类医药混标溶液,100μg/mL
First Standard® 甲醇中4种β-blocker类医药混标溶液,100μg/mL
First Standard® 甲醇中4种精神类药物混标溶液,100μg/mL
First Standard® 甲醇中4种药物混标溶液,100μg/mL
First Standard® 乙腈中4种醛酮类混标溶液, 20μg/mL
First Standard® 甲醇中3种硝基苯酚类混标溶液,100μg/mL
First Standard® 甲醇中3种胃酸和抗凝剂混标溶液,100μg/mL
First Standard® 甲醇中3种药物混标溶液,100μg/mL
First Standard® 乙腈中26种醛酮DNPH混标溶液-2,15 µg /ml
First Standard® 正己烷中25种正构烷烃混标溶液,1000μg/mL