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.

Tin Freezing-Point Standard, 200 g
SRM741a
Elements: KOH, OCP, CH3Hg, TPH, Br, H, O, Cl, PAU, N total, AOX, 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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Borosilicate Glass - Thermal Expansion, 15 cm
SRM731l3
 
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Borosilicate Glass - Thermal Expansion, 10 cm
SRM731l2
 
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Borosilicate Glass - Thermal Expansion, 5 cm
SRM731L1
 
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Sapphire Heat Capacity, 15 g
SRM720
Elements: KOH, OCP, CH3Hg, TPH, Br, H, O, Cl, PAU, N total, AOX, 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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High Boron Glass Viscosity, disk
SRM717a
Elements: N total, AOX, KOH, OCP, CH3Hg, TPH, Br, H, O, Cl, PAU, 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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Polystyrene (Broad Molecular Mass Distribution), 18 g
SRM706a
 
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Polystyrene (Narrow Molecular Weight Distribution), 5 g
SRM705a
 
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Low 2theta (Large d-Spacing) Standard for X-Ray Powder Diffraction, 7,5 g
SRM675
 
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Line Position and Line Shape Standard for Powder Diffraction (LaB6 Powder), 6g
SRM660c
 
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Line Position and Line Shape Standard for Powder Diffraction (Silicon Powder), 7,5 g
SRM640f
Elements: N total, AOX, KOH, OCP, CH3Hg, TPH, Br, H, O, Cl, PAU, 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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Portable Vacuum Standard 1 Pa to 700kPa (Commercial Mercury Manometer Replacement)
SRM6003b
 
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