NZQA registered unit standard 26342 version 2
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Title Perform gravimetric analyses
Level
Purpose
4 Credits 4
People credited with this unit standard are able to: maintain a balance and describe its use; and perform gravimetric analyses.
Classification
Available grade
Science > Chemistry
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.
5 General requirements for the competence of testing and calibration laboratories can be found at the official website International Accreditation New Zealand (IANZ) http://www.ianz.govt.nz
.
Outcome 1
Maintain a balance and describe its use.
NZQA National Qualifications Services
SSB Code 130301

New Zealand Qualifications Authority 2020

NZQA registered unit standard 26342 version 2
Page 2 of 3
Evidence requirements
1.1 Balance is checked for accuracy in accordance with laboratory procedures and manufacturer's instructions.
1.2 Balance is maintained in accordance with laboratory procedures or manufacturer's instructions.
1.3 Balance is described in terms of its use and the importance of its accuracy.
Outcome 2
Perform gravimetric analyses.
Evidence requirements
2.1 Experimental procedure is selected and performed to meet the needs of the analysis.
Range chemical precipitation, and one of
– evaporation, thermal decomposition, electrogravimetry.
2.2 Analysis to determine sample composition is made within a relative accuracy of
±5% of the certified reference value.
Replacement information This unit standard and unit standard 26341 replaced unit standard 8435.
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 18 June 2010 N/A
Rollover 2 27 January 2015 N/A
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.
NZQA National Qualifications Services
SSB Code 130301

New Zealand Qualifications Authority 2020

NZQA registered unit standard 26342 version 2
Page 3 of 3
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.
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 2020