Physical properties
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.
![](https://www.analytika.net/images/thumbnails/80/80/detailed/15/NIST_logo_njk8-wf.png)
Polychlorinated Biphenyl Congeners in 2,2,4-Trimethylpentane
SRM1493
Product Detail
![](https://www.analytika.net/images/thumbnails/80/80/detailed/15/NIST_logo_h4ui-vb.png)
Unpigmented Polyethylene Gas Pipe Resin, 0,9 kg
SRM1496
Product Detail
![](https://www.analytika.net/images/thumbnails/80/80/detailed/15/NIST_logo_k11s-dy.png)
Thermal Analysis Purity Set, set (4)
SRM1514
Product Detail
![](https://www.analytika.net/images/thumbnails/80/80/detailed/15/NIST_logo_asns-bj.png)
GC/MS System Performance Standard
SRM1543
Product Detail
![](https://www.analytika.net/images/thumbnails/80/80/detailed/15/NIST_logo_0axv-w3.png)
Synthetic Refuse-Derived Fuel Combustion Calorimetric Standard, 100 g
SRM1657
Product Detail
![](https://www.analytika.net/images/thumbnails/80/80/detailed/15/NIST_logo_bofg-8o.png)
Methane in Air (Nominal Amount-of-Substance Fraction 10 umol/mol)
SRM1659a
Product Detail
![](https://www.analytika.net/images/thumbnails/80/80/detailed/15/NIST_logo_9xkb-ap.png)
Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 µmol/mol)
SRM1661a
Product Detail
![](https://www.analytika.net/images/thumbnails/80/80/detailed/15/NIST_logo_2u3m-f2.png)
Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1500 µmol/mol)
SRM1663a
Product Detail
![](https://www.analytika.net/images/thumbnails/80/80/detailed/15/NIST_logo_deye-78.png)
Propane in Air (Nominal Amount-of-Substance Fraction 3 µmol/mol)
SRM1665b
Product Detail
![](https://www.analytika.net/images/thumbnails/80/80/detailed/15/NIST_logo_qysr-tu.png)
Propane in Air (Nominal Amount-of-Substance Fraction 10 µmol/mol)
SRM1666b
Product Detail
![](https://www.analytika.net/images/thumbnails/80/80/detailed/15/NIST_logo_3zbc-7c.png)
Propane in Air (Nominal Amount-of-Substance Fraction 100 µmol/mol)
SRM1668b
Product Detail
![](https://www.analytika.net/images/thumbnails/80/80/detailed/15/NIST_logo_d4sz-xv.png)
Propane in Air (Nominal Amount-of-Substance Fraction 500 µmol/mol)
SRM1669b
Product Detail