NTSensors solutions for the analysis of Spirulina growing medium

Analysis for Spirulina cultivations

Nutrients analysis in Spirulina cultivations

At NT Sensors, we provide a cost effective solution for the analysis of Spirulina platensis growing medium at large scale production.

NT Sensors & Imacimus10 ISE meter multi-ion equipment is the most complete solution for a quick, inexpensive and reliable measurement of up to 10 parameters in Spiruline growing medium in real time. With Imacimus10 equipment you can measure 7 nutrients together with pH, conductivity and water hardness.

For the analysis of Spirulina cultivation medium we recommend to measure these 7 nutrients: Nitrate, Ammonium, Calcium, Chloride, Potassium, Sodium and Magnesium.

Direct measurement of Spirulina

Type: ISE meter imacimus 10
No sensors: 7 – Nitrate, Ammonium, Calcium, Chloride, Potassium, Sodium and Magnesium
Analysis Technique: Calibration and direct measurement
Number of sample: More than 200
Results: mg/L or mmol/L
Time per sample: < 2 min Minimum sample volume: 10 mL
Log Capacity: 100.000 samples
Energy Consumption: 5V / 1 A

No addition of reagents per sample
No cooling processes
Direct measurement of the exact concentration of potassium

Production of Spirulina

The commercial mass-production of Spirulina has gained worldwide attention for its use in human food supplements, animal feed and pharmaceuticals. Spirulina contains up to its 70% weight in protein, high amounts of essential fatty acids, essential amino acids, minerals, vitamins (such as B12), antioxidants (such as phycobiliproteins and carotenoids) and polysaccharides.

Production of Spirulina with reduced costs is necessary when considering large-scale cultivation for industrial purposes. The growth of Spirulina and the composition of the biomass produced depend on many factors, the most important of which are nutrient availability, temperature and light. The cost of nutrients is considered the second most important factor which influences the cost of Spirulina bio mass production, only after labor. Therefore, it is of special economic interest to know the concentrations of the nutrients available in real-time.

Important nutrients in Spirulina

The most important nutrients in Spirulina growing medium are Sodium, Potassium, Phosphate, Nitrate, Sulfate, Chloride, Magnesium, Calcium, and Amonium.

In particular, the levels of Nitrate and Amonia are of critical importance in the large scale production of Spirulina platensis. Several studies have drawn attention to the importance of monitoring the concentration of nitrogen in phyto-plankton cultures, because it may modify the metabolic activities and consequently, the composition and nutritional value of microalgae and cianobacteries, which is important to consider in aquaculture practices.

Other important nutrients, such as Potassium, Calcium, Sodium, Chloride and Magnesium are part of the Spirulina organs and contribute in different key processes for the organism growth. The right balance of all these nutrients provide the right medium for the optimal growth of Spirulina platensis.

Analysis for optimum growth of Spirulina

PH analysis is also a key aspect of Spirulina growing medium, as pH determines the optimum growth of Spirulina platensis cianobacteria and at the same time prevents the presence of pests. Spirulina grows in alcaline pHs between 9,3 and 10,5. This pH naturally limits the growth of pests, so that no phytosanitary treatment for pest control (such as herbicides or pesticides) is required.

NTSensors solutions for the analysis of Spirulina growing medium.

NTSensors Imacimus 10 ISE meter multi-ion equipment is the most complete solution for a quick, inexpensive and reliable measurement of up to 10 parameters in Spiruline growing medium in real time. With Imacimus10 equipment you can measure 7 nutrients together with pH, conductivity and water hardness. For the analysis of Spirulina cultivation medium we recommend to measure these 7 nutrients: Nitrate, Ammonium, Calcium, Chloride, Potassium, Sodium and Magnesium.

Imacimus 5 ISE meter kit allows the simultaneous analysis of four nutriens and pH. An apropiate ISE kit for Spirulina growing medium analysis would be Nitrate, Ammonium, Potassium and Magnesium analysis.

Analysis for Spirulina cultivations

Nutrients analysis in Spirulina cultivations

Direct measurement of Spirulina

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