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TA Instruments Nano ITC Series User Manual

TA Instruments Nano ITC Series
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Page #21 background image
Nano ITC Getting Started Guide Page 21
Shutting Down the Instrument
You can leave the instrument and its associated components on when the Nano ITC will be inactive for
several days.
If the Nano ITC will be inactive for more than 5 days, we recommend that you first thoroughly clean, then
empty the cells and turn all equipment off. Exit the ITCRun software before switching off the
instrument power.

Table of Contents

Questions and Answers:

TA Instruments Nano ITC Series Specifications

General IconGeneral
TechniqueIsothermal Titration Calorimetry (ITC)
Operating Temperature Range2 °C to 80 °C
Temperature Stability±0.0001°C
Response Time10 sec
Sample Volume1 mL

Summary

Introduction

Important TA Instruments Manual Supplement

Access supplemental information critical to the Getting Started Guide, including trademarks, patents, and license agreements.

Notes Cautions and Warnings

Highlights important and critical instructions, including notes, cautions, and warnings for safe operation and equipment care.

Regulatory Compliance

Details safety standards and compliance with directives such as EMC and Low Voltage directives for the instrument.

Safety

Covers essential safety information, including electrical safety and precautions for lifting the instrument.

Electrical Safety

Provides crucial guidelines for safe electrical handling and maintenance of the instrument to prevent hazards.

Lifting the Instrument

Offers advice on safely handling and moving the instrument to prevent injury.

Chapter 1 Introducing the Nano ITC

Overview

Explains the fundamental principles and methods of calorimeter design and the ITC's differential power compensation approach.

Instrument Models Covered in this Guide

Specifies the Nano ITC instrument models (5300, 5301, 5302) that this guide is applicable to.

The Nano Isothermal Titration Calorimeter ITC

Describes the components of the Nano ITC, including the measuring unit and buret assembly, controlled remotely via USB.

Applications

Details the primary application of the Nano ITC, which is batch/incremental titration, explaining its process.

Titration Data Analysis

Explains how titration calorimetric experiments yield heat data and the methods for analyzing thermograms and corrections.

Calculation of Equilibrium Constants

Discusses the simultaneous determination of equilibrium constants and enthalpy changes from thermogram curvature.

Measuring Unit

Details the measuring unit, including the calorimeter block, reaction vessels, and access tubes for sample and reference cells.

Reaction Vessel

Describes the reaction vessels, including material options and access through platinum tubes for sample and reference cells.

Syringe Stirrer

Explains the syringe/stirrer mechanism, including syringe capacities, needle function, and stirring control for optimal efficiency.

Buret Assembly

Covers the buret assembly's function in delivering titrant accurately and acting as the stirring mechanism for reactants.

Options and Accessories

Lists complementary accessories available for the Nano ITC instrument, such as a degassing station.

Instrument Specifications

Provides a detailed table of technical specifications for the Nano ITC instrument, including dimensions, power, and performance parameters.

Chapter 2 Installing the Nano ITC

Unpacking Repacking the Nano ITC

Provides warnings and instructions for safely unpacking and repacking the instrument, emphasizing the need for care.

Installing the Instrument

Outlines the procedures for installing the instrument, including inspection, connection to the controller, and USB cables.

Inspecting the System

Guides users on checking the instrument and shipping container for damage and verifying received parts.

Choosing a Location

Offers guidelines for selecting an appropriate location for the Nano ITC, considering environmental conditions and proximity to utilities.

Power Requirements

Specifies the power source requirements, including voltage, frequency, and recommendations for surge protection.

Setting Up the Nano ITC

Provides basic steps for setting up the Nano ITC, including unpacking, placement, and power connection.

Connecting the Cables and Cords

Details the process of connecting the power cord and USB cable to the instrument and computer for operation.

Starting the Nano ITC

Explains the steps to power on the instrument and computer system and launch the ITCRun software.

Shutting Down the Instrument

Provides instructions on how to properly shut down the Nano ITC and associated equipment when not in use.

Chapter 3 Use Maintenance & Diagnostics

Overview

Summarizes the typical steps involved in a Nano ITC experiment, from solution preparation to analysis and cleaning.

Calibrating Chemicals

Details chemical calibration methods, focusing on the protonation of Tris base to verify calibration factors.

Sample Preparation

Explains the critical importance of degassing water and preparing solutions, including Tris base and HCl, for experiments.

Experiment Setup

Covers setting up experiments, including parameters like syringe size, equilibration time, and injection details.

Preparing and Degassing the Solutions

Guides on preparing solutions, including dialysis for large molecules and thorough degassing to ensure data quality.

Preparing the Sample and Reference Cells

Provides step-by-step instructions for filling the sample and reference cells with solutions and ensuring proper fill levels.

Loading the Buret

Details the process of filling the syringe with titrant and loading it into the buret assembly, including handling air gaps.

Installing the Buret Assembly

Explains how to correctly orient and install the buret assembly into the Nano ITC calorimeter.

Starting the Experiment

Guides on initiating an experiment, including setting stirrer speed, equilibrating, configuring parameters, and starting the run.

Cleaning the Nano ITC

Provides essential procedures for cleaning the sample cells using a cleaning adapter and various solutions for meaningful data.

Analyzing the Data

Introduces the software programs ITCRun and NanoAnalyze for data acquisition, analysis, graphing, and export.

Maintaining the Nano ITC

Covers essential maintenance tasks for the Nano ITC, including purging the instrument for stable operation.

Troubleshooting the Nano ITC

Offers solutions for common issues, including minimizing blank corrections, operating at non-ambient temperatures, and optimizing stirring speeds.

Stable Instrument Operation

Provides guidelines and typical values for monitoring instrument behavior to recognize and address abnormal conditions.

Appendix A Buret Position Functions

Buret Position Functions

Describes the new buret position reporting function in ITCRun software for preset positioning via percentage or microliters.

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