Other measuring devices

Fat determination in food and feedDetermination of binder content in asphaltAnalysis of soil contaminantsDetermination of additives in rubber and elastomers

Extraction thimbles are used for holding solid materials, from which certain substances are to be extracted with a suitable solvent. Additionally, extraction thimbles are used in the fields of air and waste gas analysis for collecting solid particles. More permeable than MN 645.

Extraction thimbles are used for holding solid materials, from which certain substances are to be extracted with a suitable solvent. Additionally, extraction thimbles are used in the fields of air and waste gas analysis for collecting solid particles. With lid.

Extraction thimbles are used for holding solid materials, from which certain substances are to be extracted with a suitable solvent. Additionally, extraction thimbles are used in the fields of air and waste gas analysis for collecting solid particles. Denser than MN 645.

Extraction thimbles are used for holding solid materials, from which certain substances are to be extracted with a suitable solvent. With sealing collar and two finger recesses on opposite sides of the collar, for dust analysis in industrial gases, exhaust gases and room air.

Pollution monitoring, air samplingHigh temperature filtration (up to 500 °C)For solvents incompatible with cellulose thimbles (for example strong acids or bases)

Octadecyl modified silica phase for SPE, not endcappedBase material silica, pore size 60 Å, particle size 45 µm for C18, specific surface 500 m²/g, pH stability 2 to 8 octadecyl phases, not endcapped, carbon content 14 % possesses more free silanols (SiOH), which allow secondary interactions with polar groups of the analytes.Recommended applications: non-polar compounds, pesticides.

Octadecyl modified silica phase for SPE, endcappedBase material silica, particle size 45 µm for C18 ec, specific surface 500 m²/g, pH stability 2 to 8. Octadecyl phases, endcapped, carbon content 14 % very non-polar, hydrophobic interactions with a wide variety of organic compounds. Advantageous for clean-up of samples with large structural variations (polarity differences).Recommended applications: non-polar compounds, aflatoxins, amphetamines, antibiotics, antiepileptics, barbiturates, caffeine, drugs, preservatives, fatty acids, nicotine, PAHs, pesticides, PCBs, heavy metals, vitamins. Very well suited for desalting of samples.

Octadecyl modified silica phase for SPE, endcappedBase material silica, particle size 45 µm for C18 ec, specific surface 500 m²/g, pH stability 2 to 8. Octadecyl phases, endcapped, carbon content 14 %, very non-polar, hydrophobic interactions with a wide variety of organic compounds. Advantageous for clean-up of samples with large structural variations (polarity differences).Recommended applications: non-polar compounds, aflatoxins, amphetamines, antibiotics, antiepileptics, barbiturates, caffeine, drugs, preservatives, fatty acids, nicotine, PAHs, pesticides, PCBs, heavy metals, vitamins. Very well suited for desalting of samples.

aluminium oxide, acidic, neutral, basicaluminium oxide, high purity, pore volume 0.90ml/g, particle size 60 to 150µm, specific surface 150m²/g, acidic, pH 4 ± 0.5, recommended application: together with phase SA for PCB and pesticides.Alox A: acidic, pH 4 ± 0.5Alox N: neutral, pH 7 ± 0.5Alox B: basic, pH 9.5 ± 0.5

Octyl modified silica phase for SPE, not endcappedBase material silica, pore size 60Å, particle size 45µm, specific surface 500m²/g, pH stability 2 to 8. Octyl phase, not endcapped, carbon content 8%, similar to C18, however slightly more polar. Secondary interactions with polar compounds are more pronounced due to shorter alkyl chains.Recommended applications: pesticides, PCBs.

Aminopropyl modified silica phase for SPEBase material silica, pore size 60Å, particle size 45µm, specific surface 500m²/g, pH stability 2 to 8, aminopropyl phase, carbon content 3.5%, polar, weak anion exchanger.Recommended applications: trace elements, lipids.

Diol modified silica phase for SPEBase material silica, pore size 60Å, particle size 45µm, specific surface 500m²/g, pH stability 2 to 8, diol phase, carbon content 5.5%, polar properties similar to SiOH.Recommended application: antibiotics, prostaglandins.

Cyanopropyl modified silica phase for SPEBase material silica, pore size 60Å, particle size 45µm, specific surface 500m²/g, pH stability 2-8, cyanopropyl phase, carbon content 5.5%, polar to mid-polar. In addition to weak hydrophobic interactions selective interactions are possible due to the high electron density of the CN group.Recommended application: cyclosporins, carbohydrates.

Unmodified silica phase for SPEUnmodified, weakly acidic silica, pore size 60Å, particle size 45µm, specific surface 500m²/g, pH stability 2 to 8, very polar, adsorbs humidity from air, for this reason it should be kept well closed and if necessary dried before use due to its high affinity for polar compounds it should not be conditioned with polar (e.g. methanol) or water-containing solvents.Recommended applications: aflatoxins, chloramphenicol, pesticides, steroids, vitamins.

Benzenesulphonic acid modified silica cation exchanger for SPE (SCX)Base material silica, pore size 60Å, particle size 45µm, specific surface 500m²/g, pH stability 2 to 8, benzenesulphonic acid modified silica, strongly acidic cation exchanger (capacity ~ 0.5meq/g). Adsorbent with hydrophobic and Π-Π interactions (benzene ring). Ion exchange of organic compounds from aqueous matrix. Elution of interesting compounds with solvent systems, which compensate the ionic and nonpolar interactions, e.g. methanolic HCl.Recommended application: amino acids, amines, chlorophyll, PCB.

Quaternary ammonium modified silica anion exchanger for SPE (SAX)Base material silica, pore size 60 Å, particle size 45 µm, specific surface 500 m²/g, pH stability 2 to 8. Silica modified with quaternary amine. Strongly basic anion exchanger (capacity ~ 0.3 meq/g). Not suited for very strong anions such as sulphonic acids, because these are difficult to elute.Recommended application: organic acids, caffeine, saccharin.

Magnesium silicate for SPEMatrix magnesium silicate (MgO to SiOH 15:85), high purity, particle size 150 to 250µm.Recommended application: organic tin compounds, aliphatic carboxylic acids, PCB, PAH.

Magnesium silicate for SPEMatrix magnesium silicate (MgO to SiOH 15:85), high purity, particle size 150 to 250µm.Recommended application: organic tin compounds, aliphatic carboxylic acids, PCB, PAH.

Combination phase for SPE analysis of PCBsH2SO4: H2SO4-impregnated silica phase for oxidation of accompanying compounds to ionic and/or polar compounds.SA: strongly acidic cation exchanger based on silica with benzenesulphonic acid modification for removal of ionic and sulphur-containing compounds.Recommended application: extraction of PCBs from oil with reference to German industrial standard DIN 51527, part 1. This combination column is used together with a SiOH column.Hazardous Substance DataGHSSignal wordGefahrH-SatzH314P-SatzP260sh, P280sh, P303+P361+P353, P305+P351+P338, P310UNNR3260SDSLink

Special phase for SPE analysis of PCB from sludgeSpecial combination phase:N: sodium sulphate for removal of trace water.A: SiOH/AgNO3 phase for removal of sulphur, sulphur-containing and polar compounds.Recommended application: extraction of PCB from sludge.

Polystyrene-divinylbenzene adsorbent resin for SPEBasic material: Highly porous polystyrene-divinylbenzene copolymer specific surface 1200 m2/g.Particle size 50-100 µm very high binding capacity, up to 30 % of adsorbent weight.Recommended application: aromatic compounds, phenols from water, nitroaromatics from water, pesticides from water, PAHs from oil