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Vitamin B12 standard solution,100μg/mL in Methanol, 1ml
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Vitamin B12 standard solution,10μg/mL in Methanol, 1ml
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Vitamin B12 standard solution,100μg/mL in Ethanol, 1ml
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Vitamin B12 standard solution,10μg/mL in Ethanol, 1ml
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Formic acid Standard solution,1000μg/mL in H2O, 2ml
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Formic acid Standard solution,100μg/mL in H2O, 2ml
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Formic acid (standard sample),392.8mg/L in H2O, 2ml
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Benzoic acid standard solution,1mg/mL, matrix: petroleum ether, 2ml
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Benzoic acid standard solution,100μg/mL, matrix: methanol, 2ml
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Glycolic acid standard solution,10000μg/mL in H2O, 1ml
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Glycolic acid standard solution,5000μg/mL in H2O, 1ml
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