-
钕标准溶液,7440-00-8,analytical standard, 1000μg/ml in 1mol/L HNO3
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锰标准溶液,7439-96-5,analytical standard ,1000ug/ml in 1.0 mol/L HNO3
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钡标准溶液,7440-39-3,analytical standard,1000ug/ml in 1.0 mol/L HNO3
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1,2-二氯苯标准溶液,95-50-1,analytical standard,1000ug/ml in methanol
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NCS182098 标准物质/3种混合标准溶液-氟氯溴离子F,Cl,Br
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NCS182085 标准物质/3种混合标准溶液-氟氯溴离子F,Cl,Br
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铅标准溶液,7439-92-1,analytical standard,1000μg/ml in 1.0% HNO3
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甲酸根离子标准溶液,1mg/ml in water
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化学需氧量 (COD)-铬标准溶液,1000μg/ml 邻苯二甲酸氢钾 in H2O
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2,4-二甲酚标准溶液,105-67-9,1000μg/ml,溶剂:甲醇
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