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Section 3.3 Earth Surface Geochemistry

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HELGES – Clean Laboratory For Stable Metal(loid) Isotopes

Within HELGES we have a ISO 6 metal-free clean laboratory, dedicated entirely to blank-sensitive metal(loid) geochemistry. Numerous ISO 4 laminar flow hoods are available for the preparation of wide-ranging sample substrates for non-traditional stab…
HELGES – Clean Laboratory for Cosmogenic Nuclides

Within HELGES, we have more than 100 m² of clean lab space is available for separation of meteoric and terrestrial cosmogenic nuclides. We prepare wide-ranging sample substrates for meteoric cosmogenic nuclides (e.g. rocks, sediments, soils, river w…
HELGES – Element2 | High Resolution Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

The Thermo Scientific Element 2 is a highly sensitive, high-resolution sector field inductively coupled plasma mass spectrometer. Perform accurate and reliable quantitative multi-element analyses at trace level, with the highest sensitivity and with…
HELGES – Helmholtz-Laboratory for the Geochemistry of the Earth Surface

In the HELGES Laboratory, sample preparation and measurements of cosmogenic nuclides (¹⁰Be, ²⁶Al) and stable isotopes of metals and metalloids (currently Li, Mg, Si, Fe, Sr, B) in geological and environmental sample materials, such as sediments, roc…
HELGES – Iridium Strip Heater

An iridium strip heater is a specialized heating device that uses iridium, which has a high melting point, corrosion resistance, and excellent electrical conductivity. At the HELGES laboratories, the Iridium strip heater is used to produce homogeneo…
HELGES – Mineral Sorter

The mineral sorter is suitable for separating minerals from sediment in which the minerals to be separated differ in brightness and color. After previous sieving, the dry sediment is sorted into light and dark parts up to a maximum grain size of 1 m…
HELGES – Neptune | Multicollector Inductively Coupled Plasma Mass Spectrometry (MC-ICP-MS)

The main application of the Neptune MC-ICP-MS mass spectrometer is the analysis of stable and radiogenic isotope ratios of elements purified from a wide range of geological materials, including rocks, soils, plants, waters, and more. We have establi…
HELGES – Sample Digestion System

Our laboratory is equipped with one of the latest sample digestion systems. The Multiwave can digest samples of all kinds - e.g. food, environmental, pharmaceutical and, of course, geological samples. The samples can be digested at up to 300°C and 2…
HELGES – Sample Preparation Laboratories

Samples of all kinds are pretreated in our sample preparation laboratories. Samples are usually first dried, sieved or separated into magnetic or non-magnetic components in a magnetic separator based on their magnetic properties. Separation based o…
HELGES – UV Femtosecond Laser Ablation

The UV fs laser ablation lab at HELGES is a state-of-the-art facility for the *in situ* micro-scale analysis of isotope ratios and element concentrations in a wide range of solid geological and environmental materials (such as rocks, minerals, soils…
HELGES – Varian & Spectro | Inductively Coupled Plasma Optical Emission Spectrometer (ICP-OES)

The ICP-OES (Inductively Coupled Plasma Optical Emission Spectrometer) allows simultaneous detection and quantification of most elements in solutions at concentrations ranging from a few ng/g (ppb) to hundreds of µg/g (ppm). We analyse a wide select…
HELGES – iCAP Q | Quadrupole Inductively Coupled Plasma Mass Spectrometry (Q-ICP-MS)

To analyse element concentrations in a wide range of materials two Q-ICP-MS (iCAP Q by Thermo) are available. Samples can be analyses as solutions (e.g. water samples or rocks after acid-dissolution). Alternatively, a [femtosecond laser ablation sys…