Padrao De Urano Icp Referente A Srm De Nist Uo2(No3)2 Em Hno3 2-3% 10 Mg/L U Certipur® - 100Ml

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GOMA XANTANA 80 MESH - 1000G CAS: [11138-66-2]

2-METHYL-1-(6-METHYLPYRIDINE-3-CARBONYL)PIPERAZINE, 95% 2.5G

2,4-DICHLORO-3-ETHYL-1,5-DINITROBENZENE 0.5G

HIDROQUINONA PURISSIMA (CONTROLADO PC)

4-(1H-BENZOIMIDAZOL-2-YL)-1-PHENYL-PYRROLIDIN-2-ONE, 95% 1G

N-(5-BROMOPYRIDIN-3-YL)ETHANESULFONAMIDE, 95% 5G

N-TRIS(HYDROXYMETHYL)METHYL-2-AMINOETHANESULFONIC A...100G

3-(3-METHOXYPHENYL)-2'-THIOMETHYLPROPIOPHENONE, 97% 2g