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苋菜红标准溶液,915-67-3,analytical standard,0.5mg/ml in water,for food analysis
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乙醇酸酯标准品 单元素标准品
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0.8mg/ml乙醇标准溶液,可溯源到NIST
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0.25mg/ml乙醇标准溶液,可溯源到NIST
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0.3mg/ml乙醇标准溶液,可溯源到NIST
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0.9mg/ml乙醇标准溶液,可溯源到NIST
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1mg/ml乙醇标准溶液,可溯源到NIST
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2mg/ml乙醇标准溶液,可溯源到NIST
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3mg/ml乙醇标准溶液,可溯源到NIST
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4mg/ml乙醇标准溶液,可溯源到NIST
FlukaFluka瑞士 性质 grade analytical standard, for environmental analysis concentration 4 mg/mL in H2O
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