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Sodium dodecylbenzenesulfonate standard sample (anionic surfactant),25μg/mL in H2O, 20ml
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Sodium dodecylbenzenesulfonate standard sample (anionic surfactant),20μg/mL in H2O, 20ml
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Sodium dodecylbenzenesulfonate standard sample (anionic surfactant),15μg/mL in H2O, 20ml
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Sodium dodecylbenzenesulfonate standard sample (anionic surfactant),10μg/mL in H2O, 20ml
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Sodium dodecylbenzenesulfonate standard sample (anionic surfactant),5.5μg/mL in H2O, 20ml
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Sodium dodecylbenzenesulfonate standard sample (anionic surfactant),5μg/mL in H2O, 20ml
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Sodium dodecylbenzenesulfonate standard sample (anionic surfactant),1μg/mL in H2O, 20ml
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Sodium dodecylbenzenesulfonate standard sample (anionic surfactant),0.5μg/mL in H2O, 20ml
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Sodium dodecylbenzenesulfonate standard sample (anionic surfactant),0.2μg/mL in H2O, 20ml
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Sodium dodecylbenzenesulfonate standard sample (anionic surfactant),37.1g/mL in H2O, 20ml
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Standard substance for ethylene oxide solution,1.85mg/mL in H2O, 1ml
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