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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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10种多溴联苯PBB混标溶液
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水质锰标样,7439-96-5,1.32mg/L in H2O,analytical standard,for water analysis
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(Ag,Al,As,Ba,Be,Bi,Ca,Cd,Co,Cr,Cs,Cu,Ga,In,K,Li,Mg,Mn,Na,Ni,Pb,Rb,Se,Sr,Tl,V,Zn,Fe)多元素混合标准溶液,100μg/ml,介质 10%硝酸
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mg/l: NH₄, Ba, Ca, K, Li, Na,Mg, Mn, Sr CertiPUR®
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德国WTW PH标液 STP 7 ,货号108708
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22种增塑剂混标(液质法)标准品
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4种金属元素 标样标准品
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14种偶氮混标 BePure-33157NA
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多元素标准液 II (溶于油中) dissolved in oil 100 ppm: Ag, Al, B, Ba, Ca, Cd, Cr, Cu, Fe
Multi-element standard II dissolved in oil 100 ppm: Ag, Al, B, Ba, Ca, Cd, Cr, Cu, Fe, Mg, Mn, Mo
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