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IC 多元素标准液 ß (F-) = 100 mg/l, ß (Cl-) = 250 mg/l, ß (NO3-),(SO42-) = 500 mg/l, ß(PO43-) = 1000 mg/l in H2O CertiPUR®
IC Multi-element standard I ß (F¯) = 100 mg/l, ß (Cl¯) = 250 mg/l, ß (NO3¯),(SO4²¯) = 500 mg/l
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(N,N-Bis-t-Boc)-5-bromo-2-chloroaniline
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叶酸,59-30-3,分析标准品,≥98%
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对苯二亚甲基二樟脑磺酸标准品 BePure-22473-250mg
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磷酸三丙酯-D21标准品 RMCT68108-250mg
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2-苯基苯并咪唑-5-磺酸标准品 BePure-24713-250mg
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IC 镁标准品,1309-48-4,Magnesium Standard for IC,1000 mg/L Mg2+ in nitric acid
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DY0128-0250-250mg 烟碱 CAS号87-51-4
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艾杰尔CleanertQuechers400mg PSA;250mg Na2SO4(Anhydrous), 50/Pk
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NCS190072-50 山羊乳铁蛋白标准品-50mg规格
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