Question
What are the recommended parts to order to do a Chlorine Dioxide/Chlorite titration on the AT1000?
Summary
Parts list for Chlorine Dioxide/Chlorite on AT1000.
Answer
Chlorine Dioxide and Chlorite
Required Items:
| Description | Quantity | Product # | Comments |
| Titration Application Pack Amperometric: Free & Total Chlorine, Chlorine Dioxide, Sulfite (AutoCAT) |
1 | AP0007.AT1122 | |
| TitraLab® AT1000 Series Potentiometric Titrator, 1 Burette, 2 Pumps | 1 | AT1122.97 |
Required Reagents:
| Description | Quantity | Product # | Comments |
| Phenylarsine Oxide (PAO) Standard Solution, 0.00564 N, 1 L | 1 | 199953 | |
| Buffer, Phosphate Type, pH 7.0, 1 L | 1 | 2155353 | |
| Potassium Iodide, ACS, 100 g | 1 | 16726H | Use w/ 1.0 g measuring spoon |
| Spoon, Measuring, 1.0g Capacity | 1 | 51000 | for adding Potassium Iodide |
| Hydrochloric Acid Standard Solution, 2.5 N, 100 mL MDB | 1 | 141832 | |
| Nitric Acid Solution, 1:1, 500 mL | 1 | 254049 | Used for cleaning electrode and electrode storage |
Items Required for Nitrogen Gas Purge:
| Description | Quantity | Product # | Comments |
| GAS WASHING BOTTLE, 1200ML | 1 | 2662200 | system for purging sample with nitrogen gas |
| Stand, Support, 178 x 330 mm Base | 1 | 32900 | system for purging sample with nitrogen gas |
| Ring, Support | 1 | 2656300 | system for purging sample with nitrogen gas |
| Clamp, Three-Prong Universal | 1 | 42200 | system for purging sample with nitrogen gas |
| Clamp Holder | 2 | 32600 | system for purging sample with nitrogen gas |
| Tank of Nitrogen Gas (99.99% purity or better) | **CUSTOMER MUST PROVIDE** | ||
| Tubing/Fittings to Connect Nitrogen Tank to GWB | **CUSTOMER MUST PROVIDE**(use 1/4" ID tubing to fit to GWB) |
Optional Items:
| Description | Quantity | Product # | Comments |
| Kohlrausch Class 'A' Volumetric Flask, 200 mL | 1 | 2856300 | Best option for sample volume measurement |
| Cylinder, Graduated, 250 mL +- 1. 4 mL, 2.0 mL divisions (white markings) | 1 | 50846 | Alternative option for sample volume measurement |
| Beaker, Griffin, Low Form, Glass, 250 mL | Varies | 50046H | Spare beaker |
| Stir Bar | Varies | 5008500 | Spare Stir Bar |
| Thermo-Drucker USB (USA) Printer | LQV161.53.10000 | Printer that connects dirrectly to AT1000 | |
| TitraMaster 1000 Series, PC software with Ethernet cable | LZE127 | Required if customer wants to connect titrator to a computer. | |
| Chlorite Stock Solution (to make check standard) | N/A | ** Companies such as ERA and Absolute Standards sell 1000 mg/L chlorite standards ** |