GB/T 23834.1-2009 English PDF (GBT23834.1-2009)

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GB/T 23834.1-2009: Chemical analysis method for stannous sulfate -- Part 1: Determination of stannous sulfate content -- Volumetric method of potassium dichromate
GB/T 23834.1-2009
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 71.060.01
G 10
Chemical analysis method for stannous sulfate - Part 1:
Determination of stannous sulfate content - Volumetric
method of potassium dichromate
ISSUED ON: MAY 18, 2009
IMPLEMENTED ON: FEBRUARY 01, 2010
Issued by: General Administration of Quality Supervision, Inspection and
Quarantine of PRC;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Method summary ... 5 
4 Safety tips... 5 
5 General provisions ... 5 
6 Reagents ... 5 
7 Analytical procedures ... 5 
8 Calculation of results ... 6 
Foreword
GB/T 23834-2009 "Chemical analysis method for stannous sulfate" is divided into six
parts:
- Part 1: Determination of stannous sulfate content - Volumetric method of potassium
dichromate
- Part 2: Determination of insoluble substance in hydrochloric acid - Gravimetric
method
- Part 3: Determination of alkali metals sulfate and alkaline-earth metals sulfate -
Gravimetric method
- Part 4: Determination of lead and copper content - Flame atomic absorption
spectrometry
- Part 5: Determination of arsenic content - Silver diethyldithiocarbamate
spectrophotometry
- Part 6: Determination of iron content - 1-10-phenanthroline spectrophotometry
This Part is Part 1 of GB/T 23834.
This part was proposed by China Petroleum and Chemical Industry Association.
This part shall be under the jurisdiction of the Inorganic Chemical Industry Branch of
the National Chemical Standardization Technical Committee (SAC/TC 63/SC 1).
The responsible drafting organizations of this Part: Yunnan Tin Industry Group Co.,
Ltd., Fine Chemicals Group Co., Ltd., CNOOC Tianjin Chemical Research and Design
Institute.
The main drafters of this Part: Ding Xibo, Xu Dengqiong, Wang Zhouhui, Liu Youruo.
This Part is the first release.
Chemical analysis method for stannous sulfate - Part 1:
Determination of stannous sulfate content - Volumetric
method of potassium dichromate
1 Scope
This Part specifies the summary of analysis method, safety tips, general provisions,
analysis steps, result calculation, for the potassium dichromate titration method of the
determination of the main content of stannous sulfate.
This Part applies to the determination of the main content of stannous sulfate. The
determination range of this method: w (SnSO4) > 95%.
2 Normative references
The provisions in following documents become the provisions of this Part, through
reference in this Part of GB/T 23834. For the dated references, the subsequent
amendments (excluding corrections) or revisions do not apply to this Part; however,
parties who reach an agreement based on this Part are encouraged to study if the latest
versions of these documents are applicable. For undated references, the latest edition of
the referenced document applies.
GB/T 601 Chemical reagent - Preparations of standard volumetric solutions
GB/T 603 Chemical reagent - Preparations of reagent solutions for use in test
methods (GB/T 603-2002, ISO 6353-1:1982, NEQ)
GB/T 6682-2008 Water for analytical laboratory use - Specification and test
methods (ISO 3696:1987, MOD)
HG/T 3696.1 Inorganic chemical products - Preparations of standard volumetric
solutions for chemical analysis
HG/T 3696.3 Inorganic chemical products - Preparations of reagent solutions for
chemical analysis