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硒标准溶液,7782-49-2,100mg/L in water
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砷标准溶液,7440-38-2,analytical standard, 100mg/L in H2SO4
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噁唑禾草灵,66441-23-4,分析标准品
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2,3-二溴丙酰胺标准溶液,15102-42-8,analytical standard,100mg/L in ethyl acetate
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二氧化硫标准溶液,7446-09-5,analytical standard,100mg/L in formaldehyde solution
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艾杰尔CleanertQuechersMgSO4(无水)1200mg;PSA 300mg;C18 100mg,50/pk
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硒标准溶液,7782-49-2,100mg/L in 1%HCl
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艾杰尔CleanertQuechers100mg PSA;100mg C18;0.3 g MgSO4( Anhydrous), (NYT-1380-2007), 50/Pk
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壮观霉素,现成溶液,100mg/mL,DMSO/H₂O,1:1
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铟标准溶液,7440-74-6,100mg/L (20℃) in 1%HCl
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