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First Standard® 正己烷中邻苯二甲酸戊基异戊酯溶液,100μg/mL
Phthalic acid, n-Pentyl-isopentyl Solution in Hexane, 100μg/mLFirst Standard®天津
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First Standard® 甲醇中5种防腐剂混标溶液,1000μg/mL
5 Preservative Mix Solution in Methanol, 1000μg/mLFirst Standard®天津
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First Standard® 甲苯中8种有机氯农药混标溶液,1000μg/mL
8 Organochlorine Pesticides Mix Solution in Toluene, 1000μg/mLFirst Standard®天津
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First Standard® 甲苯中苯醚氰菊酯溶液,1000μg/mL
Cyphenothrin Solution in Toluene, 1000μg/mLFirst Standard®天津
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First Standard® 甲苯中四氟苯菊酯溶液,1000μg/mL
Transfluthrin Solution in Toluene, 1000μg/mLFirst Standard®天津
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First Standard® 甲醇中溴苯腈辛酸酯溶液,1000μg/mL
Bromoxynil-octanoate solution in Methanol, 1000μg/mLFirst Standard®天津
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邻苯二甲酸二乙酯标准溶液,84-66-2,analytical standard,1000ug/ml in methanol
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First Standard® 正己烷中乙嘧硫磷溶液,1000μg/mL
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First Standard® 正己烷/甲苯中敌草腈溶液,1000μg/mL
Dichlobenil Solution in Hexane/Toluene, 1000μg/mLFirst Standard®天津
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化学需氧量 (COD)-铬标准溶液,1000μg/ml 邻苯二甲酸氢钾 in H2O
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