-
氨氮标准溶液,1000μg/ml in Water (20℃)
-
Y钇元素灯HOLLOW CATHODE LAMP: Y L233,用于AA-7000
-
总氮标准溶液,analytical standard,1000μg/ml in water
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(La,Ce,Pr,Nd,Sm,Eu,Gd,Y)多元素混合标准溶液(混标)
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铜标准溶液,7758-98-7,analytical standard,1000ug/ml in 1% H2SO4
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氯离子(Cl-)标准溶液,500μg/ml in Water (20℃)
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氯离子(Cl-)标准溶液,1000μg/ml in Water (20℃)
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石油类标准溶液(红外法),30.5μg/ml in Carbon tetrachloride
-
乙基汞标准溶液,analytical standard,10ug/ml in Toluene
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总硬度标准溶液,1000μg/ml,总硬度
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