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三乙基錫 Triethyltin chlorid 100μg/mL*5mL
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三乙基錫 Triethyltin chlorid 1000μg/mL in Methanol*5mL
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三乙磷酸酯-D15 Triethyl-d15 Phosphate 1000ug/mL in Acetonitrile*1mL
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Methyl 4-(Trifluoromethyl)Benzoate 100ug/ml in Acetonitrile*1mL
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3,4,5-混殺威 3,4,5-Trimethacarb 1000ug/ml in Methanol*1mL
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三甲胺鹽酸鹽 Trimethylamine hydrochloride 100ug/mL*50mL
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2.4.6-trinitrobenzoic acid 1000ug/ml in Methanol*1mL
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氨氮 20ml 水質(zhì)標液(濃度500μg/ml)*20ml
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氮氧化物(以NO2計) 空氣監(jiān)測標樣(水劑)(濃度見批號)*20ml