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硫酸根离子(SO₄2-)标准溶液,5000μg/ml in Water (20℃)
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硫酸根离子(SO₄2-)标准溶液,100μg/ml in Water (20℃)
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硫酸根离子(SO₄2-)标准溶液,1000μg/ml in Water (20℃)
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硝酸盐氮标准溶液,500ug/ml in Water (20℃)
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蒽标准溶液,120-12-7,analytical standard,9.24μg/mL in methanol
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氯甲烷标准溶液,74-87-3,1000μg/ml,in Methanol
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溴甲烷标准溶液,74-83-9,1000μg/ml in Methanol
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禾草敌标准溶液,2212-67-1,1.00mg / ml in methanol
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吡啶标准溶液,110-86-1,1000μg/ml,in Purge and Trap Methanol
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毒死蜱标准溶液,2921-88-2,1000ug/ml in Methanol
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