What are the recommended parts to order to do a Chlorine Dioxide/Chlorite titration on the AT1000?

Document ID

Document ID TE5177

Version

Version 6.0

Status

Status Published

Published Date

Published Date 05/21/2019
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 266200 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 **

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