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.

Gold versus Platinum Thermocouple Certified Thermometer
SRM1749
Elements: N total, PAU, Cl, O, H, Br, TPH, CH3Hg, OCP, KOH, 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.
 
Product Detail
Linerboard Standard for Tape Adhesion Testing
SRM1810a
 
Product Detail
Ethanol-Water Solutions (Six Levels)
SRM1828c
 
Product Detail
Soda-Lime Float Glass (Nominal Mass Fraction 0.1 % Al2O3), 3 destičky
SRM1830
Elements: N total, PAU, Cl, O, H, Br, TPH, CH3Hg, OCP, KOH, 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.
 
Product Detail
Soda-Lime Sheet Glass (Nominal Mass Fraction 1.2 % Al2O3), 3 destičky
SRM1831
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.
 
Product Detail
Silicon Nitride Powder - Specific Surface Area Standard, 4 g
SRM1900
 
Product Detail
Infrared Transmission Wavelength/Wavenumber Standard, 1 karta
SRM1921b
 
Product Detail
Infrared Specular High Reflectance Standard (Nominal Diameter 51 mm), disk
SRM1928
 
Product Detail
Infrared Specular High Reflectance Standard (Nominal Diameter 25 mm), disk
SRM1929
 
Product Detail
Potassium Nitrate, 90 g
SRM193
Elements: N total, K
 
Product Detail
Fluorescein Solution, 3 x 2 ml
SRM1932
 
Product Detail
Ammonium Dihydrogen Phosphate, 90 g
SRM194a
 
Product Detail