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Kit and sample preparation
Kit and sample preparation related questionsLiquid chromatography
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Does the whole kit plate need to be prepared at once?
A kit must be prepared all at once, as it is sealed under nitrogen to prevent degradation. Kits are for single use only.How should the LC-MS system be maintained for optimal performance?
Important cleaning notes: Frequent cleaning actions and rinsing methods are strongly recommended to minimize the risk of instrument contaminations or performance loss. For optimal time-efficiency, clean and rinse the instruments routinely between the ...How should the LC-MS system be maintained for optimal performance?
Important cleaning notes: Frequent cleaning actions and rinsing methods are strongly recommended to minimize the risk of instrument contaminations or performance loss. For optimal time-efficiency, clean and rinse the instruments routinely between the ...Why are QC accuracies consistently low or high for all analytes?
If the QC accuracies are consistent for all measured analytes, but differ significantly from the expected values (i.e. all metabolites for any particular QC sample are at 50% accuracy), the following may have occurred: 1. Pipetting issue: More or ...How to reedem the voucher code?
WebIDQ voucher activation To activate a WebIDQ subscription, please follow this procedure. Activate WebIDQ Login to your mybiocrates account and go to the biocrates web shop > redeem voucher. Every organization is unique and must be registered only ...
Popular Articles
Change plate layout after kit run
Change plate run after kit run. Please follow the instructions in the pdf attachment.Why the extracts did not go through the filters or the volumes in the capture plate are low/inconsistent?
Inconsistent or lack of volume in the filter plate may occur for several reasons. Below are some suggestions: Water or another solvent was used for making the extraction solvent instead of Methanol. Perform the following steps: Transfer the extracts ...How long will my kits remain stable when stored?
Expiration date for Quant 500 and Quant 500 XL kits: Storage at -20 °C: 3 months after shipping date Storage at -80 °C: 12 months after shipping date Expiration date for p180, p400 HR, Quant HR Xpress and Bile Acids kits: Storage at -20 °C: 6 months ...What other laboratory equipment and chemicals are required to run the kits that is not provided by biocrates?
While the biocrates kits come with all the standards and quality controls necessary, some other additional chemicals and solvents and lab equipments are required to successfully prepare and run a plate. Please download the respective kit requirements ...FIA chromatograms show signal suppressions
If the FIA chromatograms show signal suppressions, it is most likely either caused by the injection system or by an issue at the ion source. To solve this issue, please check the following parts at the LC-MS system: A small leakage or blockage at the ...