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Benzyl chloride,Standard for GC, 5ml
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Butyl benzoate,Standard for GC, ≥99.5% (GC), 5ml
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Butyl ether,Standard for GC, ≥99.7%(GC), 5ml
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1，4-Butanediol (BDO),Standard for GC, ≥99%, 5ml
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Butyric acid,Standard for GC, >99.5%(GC), 5ml
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Bi
phenyl,Standard for GC, >99.5%(GC), 5g
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2-Butanol,Standard for GC, ≥99.8%(GC), 5ml
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n-Butylamine,Standard for GC, ≥99.7%(GC), 5ml
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d-Bicuculline,Analytical reference substance, ≥99% (HPLC), 20mg
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Butyl formate,Standard for GC, 5ml
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Bismuth solution,100mg/L, matrix: 5% HNO3, 80ml
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