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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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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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氯离子(Cl-)标准溶液,1000μg/ml in Water (20℃)
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硝酸盐氮标准溶液,100μg/ml in Water (20℃)
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(La,Ce,Pr,Nd,Sm,Y)多元素混合标准溶液(混标),100μg/ml
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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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(As, Cd, Cr, Pb, Hg) 多元素混合标准溶液(混标),As,Cd,Cr:100μg/ml;Pb,Hg:200μg/ml(,in :5% HNO3,2% HCL)
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