Physical parameters
Quality management
Security data
Research & development
Our test methods:
Absorption spectra (UV/Vis)
Two-beam spectrometer with wavelength range 190...1.100 nm
Measurment of absorption spectra, time depending testings, wavelength depending testings, or concentration determination
Density
Pycnometer method or by means of vibrometer in temperature range -10...80°C
Determination also under elavated pressure and temperature up to 140°C and 400 bar
Refractive Index
Determination of refractive index by means of Abbe refractometer temperature depending up to 80°C
Vapor pressure
Determination of vapor pressure of a substance by means of static method
Determination of reduced vapor pressure by means of headspace gas chromatography
Dipole moment
Determination of dipol moments by measuring the dielectric constant
Surface tension
Determination of surface tension by means of tensiometer according to ring method (Lecomte Du Noüy) with temperature range 10...80°C
Boiling point
Determination of boiling points by means of dynamic method or distillation
Melting point
Determination of melting points by means of melting point apparatus or freezing point analysis
Freezing point depression
Measurements of freezing points for different concentrated solutions for the determination of molar masses of the solved substanc
OECD/EG Methods:
OECD Guidline Part 1: Physico-chemical characteristics, which can be measured in our labs:
- 101: UV-VIS Absorption Spectra
- 102: Melting Point/Melting Range
- 103: Boiling Point
- 104: Vapour Pressure
- 109: Density of Liquids and Solids
- 114: Viscosity of Liquids
- 115: Surface Tension of Aqueous Solutions
- 118: Determination of the Number-Average Molecular Weight and the Molecular Weight Distribution of Polymers using Gel Permeation
Chromatography - 119: Determination of the Low Molecular Weight Content of a Polymer Using Gel Permeation Chromatography
- 120: Solution/Extraction Behaviour of Polymers in Water
- 122: Determination of pH, Acidity and Alkalinity
Council Regulation (EC) No 440/2008 of 30 May 2008 laying down test
methods pursuant to Regulation (EC) No 1907/2006 of the European
Parliament and of the Council on the Registration, Evaluation,
Authorisation and Restriction of Chemicals (REACH)
Our offer:
- A.1. Melting / freeezing temperature
- A.2. Boiling temperature
- A.3. Relative Density
- A.4. Vapor pressure
- A.5. Surface tension
- A.18. Determination of the Number-Average Molecular Weight and the Molecular Weight Distribution of Polymers
- A.19. Determination of the Low Molecular Weight Content of a Polymer
- A.20. Solution/Extraction Behaviour of Polymers in Water
If you do not find your desired test method, please do not hesitate to contact us!