Hydra for Laboratory analyzes a fruit juice doped with sugar
Caronte Space Color
Hydra for laboratory is an enormously sensitive device, able to identify the even minimum alteration inside a finished product or raw material. For this reason, we made an experiment that could show all its abilities.
The experiment consists in analyzing and subsequently drug a sample of juice with 1 gram of sugar, in order to identify the differences between the spectrum of the two samples, before and after the addition of the sugar.
In a Petri dish, we poured 37,2 ml of generic juice; afterwards, we made a first analysis and determined its UV-VIS spectrum, fundamental to achive the comparison. You can see this spectrum in Figure 1 and 2.
We have then added 1 gram of sugar, we have accurately mixed and we re-anallyzed the spectrum of the doped juice, comparing it with the initial spectrum.
Hydra’s high sensitivity to changes in the spectrum allows us to identify the differences between the two samples: the initial one containing the juice, and the final one, doped with 1 gram of sugar. Now let’s calculate in what percentage the added sugar is present in the juice:
Vtotal = (1 gr + 37,2 ml) = 38,2 ml Vsugar = [1 gr * 100] / 38,2 ml ≈ 2,6%
The presence of sugar is about 2,6% of the total volume: a small quantity of product hard to identify, not for Hydra for Laboratory.The CSC index in Figure 2 shows the differences of the spectra of the sample before and after the addition of the sugar, helping the operator to immediately understand at what frequencies the variations correspond.
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