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n-Butyl bromide,Standard for GC, >99.5%(GC), 5ml
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Bis(2-ethylhexyl) sebacate (DOS),Standard for GC, ≥98.5% (GC), 5ml
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2，3-Butanedione,Standard for GC, ≥99.0%(GC), 5ml
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tert-Butylamine,Standard for GC, ≥99.8%(GC), 5ml
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2-Butyne-1，4-diol,Standard for GC, ≥99.5% (GC), 5g
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Bromobenzene,Standard for GC, >99.5%(GC), 5ml
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Butyl butyrate,Standard for GC, ≥99.5%(GC), 5ml
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tert-Butylbenzene,Standard for GC, ≥99.5% (GC), 5ml
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Bentonite,Suitable for medium to low polar solvents, 500g
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Bentonite,Suitable for medium to low polar solvents, 10kg
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Bentonite,Suitable for medium to low polar solvents, 2.5kg
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