Chemical properties
Among the parameters that can be considered as chemical properties are pH, redox potential, etc.
Základní pufr dle DIN 19266, pH 10,012 ± 0.010 při 25°C, 500 ml
CRM110012
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Základní pufr dle DIN 19266, pH 1,679 ± 0.010 při 25°C, 500 ml
CRM101679
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Tris(hydroxymethyl)aminomethane (HOCH2)3CNH2 Acidimetric Standard, 50 g
SRM723e
Elements:
H, O, Cl, PAU, N total, AOX, KOH, OCP, CH3Hg, TPH, Br, Ag, Al, As, Au, B, Ba, Be, Bi, Ca, Cd, Ce, Co, Cr, Cs, Cu, Dy, Er, Eu, Fe, Ga, Gd, Ge, Hf, Hg, Ho, In, Ir, K, La, Li, Lu, Mg, Mn, Mo, Na, Nb, Nd, Ni, Os, P, Pb, Pd, Pr, Pt, Rb, Re, Rh, Ru, S, Sb, Sc, Se, Si, Sm, Sn, Sr, Ta, Tb, Te, Th, Ti, Tl, Tm, U, V, W, Y, Yb, Zn, Zr, Br-, Cl-, F-, I-, NO2-, NO3-, PO43-, SO42-, Cr6+, NH4+, 6Li, N-NO3-, N-NH4+, P-PO43-, S-SO42-, N-NO2-, C org., C anorg.
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Standard pufru pH = 9,21 ± 0,02, 25 °C, 500 ml, modrý
CRMTB921
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Standard pufru pH = 7,00 ± 0,02, 25 °C, 500 ml, žlutý
CRMTB700
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Standard pufru pH = 7,00 ± 0,01, 20 °C, 500 ml, žlutý
CRM10705C
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Standard pufru pH = 4,60 ± 0,02, 25 °C, 500 ml, červený
CRMTB460
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Standard pufru pH = 4,01 ± 0,02, 25 °C, 500 ml, červený
CRMTB401
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Standard pufru pH = 4,00 ± 0,01, 20 °C, 500 ml, červený
CRM10405C
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Standard pufru pH = 10,00 ± 0,02, 25 °C, 500 ml, modrý
CRMTB100
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Standard pufru pH = 10,00 ± 0,01, 20 °C, 500 ml, modrý
CRM11005C
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Sodium Carbonate, 30 g
SRM2192a
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