Chemistry Testing - Sandberg LLP

Cement Testing

chemistry cement testing Sandberg offers a comprehensive range of cement testing encompassing both physical and chemical cement testing utilising BS, EN and ASTM methods. Due to our independence cement testing can be carried out as part of routine quality control for cement manufacturers or as part of a materials failure investigation.

Chemical Testing

laboratory chemical testing Sandberg carries out a complete range of chemical testing on a wide variety of materials associated with the built environment. All chemical testing is carried out by Sandberg’s experienced technical staff operating from our well equipped UKAS accredited Laboratories. Chemical testing can be carried out using BS, EN and ASTM standards supplemented by our own UKAS accredited documented in-house methods.

Chloride Testing

Chloride testing - Volhard method Chloride can be present in the concrete either as added calcium chloride used to accelerate the setting time of the concrete or as a contaminant of the aggregate. Chloride testing is mainly carried out on reinforced concrete using test methods given in BS 1881.

Chemical Analysis of Hardened Concrete

Chemical analysis of hardened concrete can provide a wealth of information about the mix constituents and possible causes of deterioration. Standard methods can be used to find the cement content and original water/cement ratio, but many other properties can also be established .

Efflorescence

Salts damage in Gatehouse Efflorescence is caused by soluble salts in building materials, or soluble salts transferred into building materials by water, being drawn towards a drying surface by the movement of water. Efflorescence can often result in damage caused by salt crystallisation leading to the breakdown of mortars and renders.

Infrared Spectroscopy - Material Assessment

Infrared Spectroscopy graph Infrared spectroscopy is a technique that can be used mainly qualitatively but occasionally quantitatively for identification of organic (and sometimes inorganic) substances. Each organic compound whether it be a simple compound, polymer or adhesive produces a characteristic spectrum when a beam of radiation from the infrared region of the electromagnetic spectrum is passed through it.