To prepare a solution the amount of active substance is measured and the exact quantity of solvent is added to achieve the desired concentration. Gravimetric liquid addition compensates for any under- or overshoot in the sample weight. Achieve concentrations as low as 0.01 mg/g (according to GxP).
Gravimetric sample preparation eliminates the restriction of volumetric flask sizes. Smaller volumes of solution can be prepared, less solvent is consumed, and there is less waste to dispose of.
Due to the improvements in accuracy, USP approves gravimetric procedures as an alternative method for preparing solutions. The gravimetric method requires a switch from expressing concentrations in mg/mL to mg/g. However, revalidation of SOPs is not needed.
Dispense from 1 mg to grams of liquids in seconds. Liquid source vessels available in capacities of 25 mL, 250 mL, 500 mL, 1000 mL; pressure-tight bottles. Up to 5 liquids, daisy-chained.
Intelligent weighing at your fingertips. Simple operation from the color touchscreen. Just enter the desired target weight or concentration, and Quantos does the rest.
Systems are readily upgradeable in the field. Add a powder dispensing module or AutoSampler with the help of our service technicians.
LabX laboratory software provides flexible SOP user guidance on the balance touchscreen. With automatic data handling, calculations and reports, Quantos systems powered by LabX easily fulfill the highest process security and traceability requirements and support your moves towards a paperless lab.
Have your nearest sales representative test your own substances and demo the instrument on site.
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