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日落黄标准溶液,2783-94-0,analytical standard,0.500mg/ml in water,for food analysis
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氯离子标准溶液,100μg/ml in Water (20℃)
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氨氮标准溶液,1000μg/ml in Water (20℃)
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二氧化硅标准溶液,1mg/ml in 0.4%NaOH
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镉标准溶液,7440-43-9,1mg/ml in 1% HN03
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总氮标准溶液,analytical standard,1000μg/ml in water
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硝酸盐氮标准溶液,100μg/ml in Water (20℃)
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铵离子标准溶液,1000μg/ml in Water (20℃)
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硝酸根离子(NO₃-)标准溶液,1000μg/ml in Water (20℃)
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氯离子(Cl-)标准溶液,500μg/ml in Water (20℃)
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