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氨氮标准溶液,1000μg/ml in Water (20℃)
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色度标准溶液,500°,in10%HCl
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总氮标准溶液,analytical standard,1000μg/ml in water
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(As、Sb、Bi、Pb、Sn、Na、Cd)多元素混合标准溶液(混标),1000μg/ml
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锌标准溶液
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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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亚硝酸盐标准溶液,1000ug/ml in water
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铱标准溶液,7439-88-5,1000ug/mL Ir in 2.0mol/L HCL
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石油类标准溶液(红外法),30.5μg/ml in Carbon tetrachloride
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