NZQA registered unit standard
9242 version 5
Page 1 of 3
Title
Perform titrimetric analysis using colour indicators
Level
4
Credits
5
Purpose
People credited with this unit standard are able to: prepare
volumetric standard solution; and perform titrimetric analysis
using colour indicators.
Classification
Science > Chemistry
Available grade
Achieved
Explanatory notes
1
All work must be carried out in accordance with the quality management system,
documented protocol system or Standard Operating Procedures (SOP) typically
acceptable in a commercial or research laboratory.
2
Health and Safety practices must conform to Australian/New Zealand Standard
AS/NZS 2243:2006 Set – Safety in Laboratories Parts 1, 2, 3, 7, and 10 available at
http://www.standards.co.nz and http://infostore.saiglobal.com/store.
3
Legislation applicable to this unit standard includes:
Health and Safety in Employment Act 1992;
Hazardous Substances and New Organisms Act 1996.
4
Glossary
Certified reference value is a value traceable to a national or international standard.
Laboratory procedures refer to documented systems or processes of operation,
which may be found in a SOP manual, quality management system or protocol
system documentation. These procedures are external and/or internal laboratory
requirements governing laboratory work.
Outcomes and evidence requirements
Outcome 1
Prepare volumetric standard solution.
Evidence requirements
1.1
Solute amount is calculated and measured to required accuracy for the analysis
in accordance with laboratory procedure.
1.2
Secondary standard is established by titration against primary standard in
accordance with laboratory procedure.
NZQA National Qualifications Services
SSB Code 130301
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
9242 version 5
Page 2 of 3
Outcome 2
Perform titrimetric analysis using colour indicators.
Range
three of – acid-base, redox, complexiometric, precipitation.
Evidence requirements
2.1
Procedure, equipment, and colour indicators are used to meet the needs of the
analysis in accordance with laboratory procedure.
2.2
The titration is carried out in accordance with titration protocol.
2.3
Concentration of analyte is determined within a relative accuracy of ±5% of the
certified reference value.
Planned review date
31 December 2017
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
30 January 1997
31 December 2014
Revision
2
19 February 1998
31 December 2014
Review
3
23 November 1999
31 December 2014
Review
4
18 June 2010
N/A
Rollover
5
27 January 2015
NA
Consent and Moderation Requirements (CMR) reference
0152
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA,
before they can report credits from assessment against unit standards or deliver courses
of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
NZQA National Qualifications Services
SSB Code 130301
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
9242 version 5
Page 3 of 3
Requirements for consent to assess and an outline of the moderation system that applies
to this standard are outlined in the Consent and Moderation Requirements (CMR). The
CMR also includes useful information about special requirements for organisations wishing
to develop education and training programmes, such as minimum qualifications for tutors
and assessors, and special resource requirements.
Comments on this unit standard
Please contact NZQA National Qualifications Services nqs@nzqa.govt.nz if you wish to
suggest changes to the content of this unit standard.
NZQA National Qualifications Services
SSB Code 130301
 New Zealand Qualifications Authority 2016