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2-Propanol alcohol used in hand sanitiser gelLPD Lab Services can measure the percentage of alcohol in hand sanitiser gels vital for the effective killing of viruses like Monkeypox, COVID-19 and other coronaviruses with the UK government defining a minimum of  60% needs to be present to be effective to help slow down the spread of the disease.

LPD Lab Services has become involved with the COVID-19 (coronavirus) crisis. In addition to being designated as a critical supplier in the NHS supply chain the lab is able to provide analysis of hand sanitiser formulations for alcohol levels. This uses Gas Chromatography and in addition the analysis will confirm the identity of the specific alcohol and if other similar, but potentially harmful, substances or solvents have been used.

Ethanol alcohol used in hand sanitiser gelThe minimum effective level of alcohol for hand sanitisation is accepted to be 60%, however, the legal requirements for product authorisation should also be checked. According to the WHO formulation either ethanol (ethyl alcohol) or 2-propanol (Iso-Propyl Alcohol) may be used. LPD has a validated method to measure ethanol or propan-2-ol content in a range of 60-90% v/v calibrated against reference standards. 

Hand Gel Sanitiser  The analytical method uses a flame ionisation gas chromatography GC-FID calibrated and validated against specific traceable alcohol chemical standards. The method is calibrated for use over the range 60% to 90% v/v of ethanol and 2-propanol using analytical reference standards. The laboratory can offer this as either on a “priority” or “standard” turnaround. In addition to the GC-FID method, Fourier Transform Infra-Red FTIR can also be used to quantify alcohol content in hand sanitisers. LPD has a validated analytical method to measure ethanol or propan-2-ol content in a range of 60–90% v/v calibrated against reference standards.

The lab is able to offer analysis of several common contaminants or adulterants (including methanol) down to a level of 0.1% in the original sample and, where an alternative sanitising compound is offered, are able to certify the absence of alcohol at this level.

LPD Lab Services can measure single samples or multiple samples in a batch to either confirm the claimed presence of the alcohol concentration or the mixture, tune a manufacturing process including homogeneity in mixing and bottle to bottle variation or assess stability of ingredients.

For further details please contact us to discuss your requirements with our staff and find out how LPD Lab Services can help.

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