Here you will find certified reference materials that serve as standards for analyzing the physical properties of substances. You will find standards for measuring refractive index, density, viscosity, electrical conductivity, melting point, etc. If you cannot find what you are looking for, please do not hesitate to contact us.

Burnt Refractory (Al203-70%), 75 g
SRM78a
Elements: PAU, N total, AOX, KOH, OCP, CH3Hg, TPH, Br, H, O, Cl, 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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Sand for Sand Sieve Analysis, 3 x 130 g
SRM8010
Elements: AOX, KOH, OCP, CH3Hg, TPH, Br, H, O, Cl, PAU, N total, 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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Gold Nanoparticles (Nominal 10 nm Diameter), 2 x 5 ml
SRM8011
 
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Polyvinylpyrrolidone Coated Silver Nanoparticles (Nominal Diameter 75 nm, 5 vialek
SRM8017
 
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Sodium Oxalate (Reductometric Standard), 60 g
SRM8040a
 
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Soda-Lime Glass (Beads), 45 g
SRM80a
 
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Copper Freezing-Point Reference (1084.6 °C), 450 g
SRM8172
 
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Lead Freezing-Point Reference (327.453 Degrees Celsius), 600 g
SRM8173
 
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Gallium Melting-Point Reference (29.7646 Degrees Celsius) (fixed-point cell), 25 g
SRM8174
 
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Medium Test Dust (MTD), 20 g
SRM8631b
Elements: PAU, N total, AOX, KOH, OCP, CH3Hg, TPH, Br, H, O, Cl, 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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Ultra Fine Test Dust (UFTD), 20 g
SRM8632a
Elements: PAU, N total, AOX, KOH, OCP, CH3Hg, TPH, Br, H, O, Cl, 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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Ethylene Tetrafluoroethylene for Particle Size Distribution and Morphology, 20 ml
SRM8634
 
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