1. Product Advantages

• Fast Measurement Cycles: Completes measurement cycles in less than 10 minutes.

• Robust pH Determination: Uses absorption spectrometry for robust pH determination.

• Single-Point Titration: Operates via efficient single-point titration.

• Low Sample Consumption: Consumes less than $50\text{ ml}$ of sample per measurement.

• Low Reagent Consumption: Consumes only $100\text{ }\mu\text{l}$ of reagent per measurement.

• User-Friendly Reagents: Utilizes user-friendly "Plug and Play" reagent cartridges.

• Minimized Biofouling: Biofouling effects are minimized due to the acidification of the sample.

• Autonomous Operation: Suitable for autonomous long-term installations.

2. Product Parameters

• Measurement Cycle Time: $< 10\text{ min}$.

• Sample Consumption: $< 50\text{ ml}$.

• Reagent Consumption: $100\text{ }\mu\text{l}$.

• Detection / Method: Single-point open-cell titration using VIS absorption spectrometry with Bromocresol green indicator dye.

• Calculated Parameters: Total alkalinity (calculated using $\text{pH}$, salinity, and temperature).

• Options: Integration into automated measuring systems on VOS, and cross-flow filters for high turbidity / sediment loaded waters.

3. Product Purpose

• Designed to measure and calculate total alkalinity in seawater, which is an important sum parameter across multiple scientific research and monitoring applications.

4. Product Application

• Ocean Acidification Research: Studying ocean acidification dynamics.

• Carbonate Chemistry Research: Investigating marine carbonate system equilibria.

• Biogeochemical Process Monitoring: Continuous tracking of biogeochemical marine cycles.

• Aquaculture / Fish Farming: Water quality monitoring in marine aquaculture environments.

• Pore Water Analysis: Measuring total alkalinity in sediment pore water.