Laboratory testing services

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CHNOS analysis of organic materials

Determination of carbon, hydrogen, nitrogen, sulfur, and oxygen content of an organic sample. CHNS analysis (”LECO analysis”) is performed using a flash combustion method, where the sample is combusted under 25 kPa of O2 at an elevated temperature …

Specific surface area (BET)

BET (Brunauer–Emmett–Teller) analysis to determine specific surface area and pore size of solid materials.

Metal screening by ICP-SFMS (semi-quantitative)

This metal screening analysis includes the semi-quantitative determination of 70 elements. The method can be used, for example, to determine the background concentrations of metals in environmental samples or to study the …

Specific surface area + pore size analysis

N2 adsorption analysis to determine specific surface area and pore size of solid materials.

Lignin content of biomass

NREL/TP 510-42618, TAPPI T-UM 250, TAPPI T222
Determination of the acid-insoluble and acid-soluble lignin content of biomass samples. A solid biomass sample is hydrolyzed, and the acid-insoluble residue is filtered out …

Lignin molecular weight distribution

Lignin sample molar mass distribution analysis using size exclusion chromatography (SEC) coupled with a UV detector at wavelength 256 nm. The lignin is dissolved in a suitable solvent before analysis. The SEC system is calibrated with a …

Elemental analysis of wood or pulp

EPA 6020B
Determining the content of S, Na, K, Ca, Fe, Cu, Mg, Mn, Si, and P in a wood or pulp powder sample. The sample is microwave-digested using a solution of HF, HNO3, and HCl before the analysis. The elements are then detected using …

Ash content of paper, board or pulp

The test determines the ash content of paper, board, and pulp upon being ignited at 525 °C. The results express the mass of the inorganics in your sample.

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Biobased carbon content according to EN 16640

EN 16640
The biobased carbon (also known as biogenic carbon) content is expressed in relation to the total carbon content (TC). The displayed price applies to non-volatile samples, but it may be possible to analyze volatile …

Degree of substitution of chemically modified carbohydrates

Determination of the degree of substitution of chemically modified carbohydrate samples with the 31P NMR method. Suitable for mono-, di-, oligo- and polysaccharides. Price includes sample preparation through …

Particle size distribution with TEM

Particle size distribution (PSD) is determined from transmission electron microscopy (TEM) images. The method is most suitable for small particles of 50 nm or smaller. Depending on the particle shapes, the method includes calculating the diameters …

13C stable isotope analysis

Classic stable isotope analysis of carbon (13C) with isotope-ratio mass spectrometry (IRMS). The results are reported in the unit VPDB, ‰. The analysis is suitable for various sample materials. Please contact the Measurlabs expert for more detailed …

Chloride in solid matrices (water-soluble, one step batch extraction)

Determination of the amount of water-soluble chloride in solid matrices. Chloride is extracted from the dried sample with water in a single-stage shaking test at room temperature (20 ± 5°C) …

Lignin ash content

ISO 1762
Lignin sample ash content measurement at 525°C. The result is expressed as a mass percentage of the ash from the initial sample on a dry matter basis.

Chemical oxygen demand (COD) of pulp process liquids

ISO 6060
The chemical oxygen demand (COD) of pulp process liquid is measured according to the ISO 6060 standard to evaluate the environmental burden of the water sample. The sample must be kept at a temperature …

Kappa number of paper, board, or pulp according to ISO 302

ISO 302
The Kappa number describes the lignin content or bleachability of pulp. With this test, the kappa number is determined as per the ISO 302 standard, which applies to all kinds of chemical and …

Lignin carbohydrate composition

During this lignin carbohydrate analysis, the lignin sample is first hydrolyzed, after which the acid-insoluble fraction is filtered and monomeric sugars are analyzed with ion chromatography. Monomeric sugars included in the analysis are glucose, …

Lignin sample elemental analysis package

Metal analysis package for a lignin sample including the following elements: Al, Cd, Co, Pb, Hg, P, Na, Zn, Sb, Ca, Cu, Mg, Mo, K, Ti, As, Cr, Fe, Mn, Ni, Si and V. The analysis is performed with ICP.

Metals in oil and solvents by ICP-SFMS (Al, As, Cd, Co, Cr, Cu, Fe, Hg, Mn, Ni, Pb, Zn, V)

Determination of selected metals (Al, As, Cd, Co, Cr, Cu, Fe, Hg, Mn, Ni, Pb, Zn, V) in oil or solvent samples using high-resolution ICP-MS (ICP-SFMS) technique. …

Monomeric sugars in biomass-based solutions

Determination of free lignocellulosic monomeric sugars (glucose, mannose, galactose, xylose, arabinose) from the solution using ion chromatography. The results are reported as mg/ml of each monomeric sugar in the sample.

Seaweed iodine content

Iodine content measurement from solid seaweed samples.

Solid recovered fuels (SRF) analysis

Analysis package for solid recovered fuels (SRF) including the following measurements: Moisture, Ash, Calorific value , CHNSO, Elements (ICP): As, Cd, Co, Cr, Cu, Hg, Mn, Ni, Pb, Sb, Sn, Tl, V. Total chlorine (Cl), total fluorine (F), or …

pH of aqueous extracts in cold or hot water extractions of paper, board or pulp

ISO 6588, PN 84/P-50109
With this test, the pH of water extraction (hot or cold) from a paper, board, or pulp sample is measured. The extraction is performed …

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