Achizitie reactivi de laborator. a) Hydrogen peroxide 30%, p.a., ISO, pentru AAS - Termen de valabilitate ¾ din perioada de valabilitate totala inscrisa pe eticheta produsului-Conc. 30% Heavy metals(Pb) ≤1 ppmCl ≤0.05 ppmNO3 ≤2 ppmPO4 ≤1 ppmSO4 ≤1 ppmN ≤4 ppmAs ≤0.01 ppmCd ≤0.01 ppmCu ≤0.01 ppmFe ≤0.05 ppmMg ≤0.05 ppm Ca ≤0.2 ppmMn ≤0.01 ppmNa ≤0.1 ppmK ≤0.1 ppmZn ≤0.05 ppmISO -reagentCertificat de calitate Certificat de...

Achizitie reactivi de laborator. a) Hydrogen peroxide 30%, p.a., ISO, pentru AAS - Termen de valabilitate ¾ din perioada de valabilitate totala inscrisa pe eticheta produsului-Conc. 30% Heavy metals(Pb) ≤1 ppmCl ≤0.05 ppmNO3 ≤2 ppmPO4 ≤1 ppmSO4 ≤1 ppmN ≤4 ppmAs ≤0.01 ppmCd ≤0.01 ppmCu ≤0.01 ppmFe ≤0.05 ppmMg ≤0.05 ppm Ca ≤0.2 ppmMn ≤0.01 ppmNa ≤0.1 ppmK ≤0.1 ppmZn ≤0.05 ppmISO -reagentCertificat de calitate Certificat de analize -2L, b) Acid clorhidric, 37% , p.a., ISO, pentru AAS-Termen de valabilitate ¾ din perioada de valabilitate totala inscrisa pe eticheta produsului -37% pentru AAS As…max. 0.01ppmCd…max. 0.01ppmCu…max. 0.01ppmFe…max. 0.1ppmHg…max. 0.01ppmMg…max. 0.05ppmCa…max. 0.3ppmMn…max. 0.01ppmNa…max. 0.3ppmK…max. 0.1ppmPb…max. 0.01ppmSn…max. 0.05ppmZn…max. 0.05ppmISO -reagentCertificat de analizeCertificat de calitate- 2,5 L sticla, c) Dysprosium(III) oxideDy2O399.9% trace metals basisTermen de valabilitate ¾ din perioada de valabilitate totala inscrisa pe eticheta produsului.Appearance (Color) White to Off-White Off White Appearance (Form) Powder Powder X-Ray Diffraction Conforms to Structure Conforms Purity Meets Requirements Meets Requirements 99.9% Based On Rare Earth Analysis Trace Rare Earth Analysis < 1500.0 ppm _ 175.7 ppm Aluminum (Al) 96.3 ppm Boron (B) 13.8 ppm Beryllium (Be) 14.5 ppm Calcium (Ca) 336.9 ppm Chromium (Cr) 55.5 ppm Iron (Fe) 22.6 ppm Lithium (Li) 1.9 ppmManganese (Mn) 11.0 ppm Sodium (Na) 38.4 ppm Strontium (Sr) 6.0 ppm Titanium (Ti) 28.3 ppm Vanadium (V) 4.0 ppm Zinc (Zn) 7.6 ppm Zirconium (Zr) 3.5 ppm Holmium (Ho) 113.7 ppm Lanthanum (La) 34.2 ppm Samarium (Sm) 27.8 ppmISO -reagentCertificat de analize -25 g, d) Amoniac solutie 25% EMSURE ISO, Reag.Ph Eur -Termen de valabilitate ¾ din perioada de valabilitate totala inscrisa pe eticheta produsului - Assay 25.0-30.0% Identity- passed testAppearance of solution- passed testDensity(20/200)- 0.882-0.910 Carbonate... max. 10ppmCloride.. max. 0.5ppmPhosphate.. max. 0.5ppmSilicon.. max. 10ppmSulfate.. max. 2ppmSulphide.. max. 0.2ppmPyridine and related substances.. max. 2ppmAg…max. 0.02ppmCd…max. 0.05ppm Cu…max. 0.1ppmFe…max. 0.1ppmK…max. 0.5ppmMg…max. 0.1ppmCa…max. 0.5ppmMn…max. 0.05ppmNa…max. 0.5ppmPb…max. 0.05ppmSn…max. 0.1ppmZn…max. 0.1ppmISO -reagentCertificat de analize -1L

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