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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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甲醛标准溶液,50-00-0,analytical standard,100mg/L,in 5% ethanol
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钕标准溶液,7440-00-8,analytical standard, 1000μg/ml in 1mol/L HNO3
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铁标准溶液,7439-89-6,500mg/L in 1%HCl
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硒标准溶液,7782-49-2,analytical standard ,1000ug/ml in 2.0mol/L HNO3
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钽标准溶液
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苯酚标准溶液,108-95-2,analytical standard,500mg/L in pure water
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氨氮标准溶液,1000μg/ml in Water (20℃)
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铅标准溶液,7439-92-1,500mg/L Pb in 1%HNO3
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铅标准溶液,7439-92-1,500mg/L Pb in 1%HNO3
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