Preparation
20
Glassware
Items required
Beakers (200 mL): 1 or 2 (for drainage)
Measuring cylinders (20 mL) or syringes (20 mL, optional): 2 (for solvent and sample)
Solvent S-316 (optional)
Zero liquid for calibration (refer to "Zero liquid for calibration" (page 21))
Span liquid for calibration (refer to "Span liquid for calibration" (page 21))
Hydrochloric acid (refer to "Hydrochloric acid" (page 22))
Placing the beakers for drainage
Follow the steps below to place the drainage beakers.
1.
Put tap water into the beakers so that the water level is approx. 1 cm from the
bottom.
2.
Place the beaker or beakers as shown below.
Fig. 22 Placing beakers for drainage
Cleaning the measuring cylinders or syringes
Clean the measuring cylinders or syringes (for solvent and for the sample) with pure solvent
S-316.
