GB/T 28628-2012 English PDF (GBT28628-2012)

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GB/T 28628-2012: Test method for air ion concentration of materials
GB/T 28628-2012
GB/T28628-2012
GB
ICS 91.100.01
Q 61
NATIONAL STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
Test method for
air ion concentration of materials
ISSUED ON. JULY 31, 2012
IMPLEMENTED ON. FEBRUARY 01, 2013
Issued by.
General Administration of Quality Supervision, Inspection
and Quarantine of the People’s Republic of China;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3 
1  Scope ... 4 
2  Normative references ... 4 
3  Terms and definitions ... 4 
4  Principles ... 4 
5  Test system ... 4 
6  Test conditions ... 6 
7  Sample preparations ... 6 
8  Test procedures ... 6 
9  Test result ... 7 
10  Test reports ... 8 
Foreword
This standard is drafted in accordance with regulations provided in GB/T 1.1-2009.
The standard was proposed by China Building Materials Federation.
The standard shall be under the jurisdiction of National Standardization Technical
Committee of lightweight construction and decoration materials (SAC/TC 195).
Drafting organizations of this standard. China Building Materials Academy, Shenzhen
Grandland Decoration Group Co., Ltd., Taiyuan Lunjia Biological Engineering Co., Ltd.,
Foshan Shunde Gaoyi New Plastic Co., Ltd., Shenzhen Eli Environmental Protection
Technology Co., Ltd., Fo Shan Shi Shun De Wen Bao Technology Co., Ltd., Inner
Mongolia Wuhua Tianbao Mineral Resources Co., Ltd., Sichuan shengda forestry
industry Co., Ltd., Shanghai Zhenao biological technology Co., Ltd., Fujian Yuhe Haoyue
Biological Engineering Materials Co., Ltd., Beijing days of Rock Health Technology Co.,
Ltd., Hua Xia Beineng (Beijing) Ecological Technology Co., Ltd., and Zhongke Weiyikang
(Beijing) ecology technology Co., Ltd.
Main drafters of this standard. Ji Zhijiang, Wang Jimei, Li Shaoqiang, Wang Jing, Zhang
Chaolun, Zeng Bin, Wu Shaoyong, Yang Shunxin, Wang Zixiang, Yu Gang, Feng Lian,
Zhu Wenming, Chen Rongkun, Zhu Shengmei, Wang Zhixia, and Wang Zhongyong.
From the date of implementation of this standard, JC/T 1016 2006 Testing on negative ion
concentration of materials shall be abolished.
Test method for air ion concentration of materials
1 Scope
This standard specifies the terms and definitions, principles, test systems, test conditions,
sample preparation, test procedure, calculation results, and test reports of test method for
air concentration of materials.
This standard applies to materials which can concentrate air ion, such as paint, panel,
wallpaper, and putty.
2 Normative references
The articles contained in the following documents have become part of this document
when they are quoted herein. For the dated documents so quoted, all the modifications
(Including all corrections) or revisions made thereafter shall be applicable to this
document.
JC/T 412.1-2006 Fiber cement flat sheets Part 1. Non-Asbestos Fiber cement flat
sheets
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Air ion
Ions in air with negative or positive charge.
3.2 Air ion concentration of materials
The measured increment of air ion in unit-time and in unit-area on material surface. The
unit is [ions / (s·m2)].
4 Principles
Apply certain voltage to ion collector, so as to form an electric field to capture air ion. Leak
the captured charge into a capacitor though leakage circuit. Then measure the air ion
concentration of materials by continuously detecting the voltage change caused by air ion
concentration of materials which is captured by capacitor.
5 Test system
5.1 Collector
Collector is consisted of a group of equidistant high-voltage grilling, collecting grilling and
Where.
N - Air negative (positive) ion concentration of materials, the unit is ions / (s·m2).
10 Test reports
The test report shall at least provide the following contents.
— Number of this standard;
— Test samples, including sample name, sample volume, sample preparation and
sample type;
— Test environmental conditions, including temperature, relative humidity and the test
date;
— Testing personnel;
— Test results, including measured value of air negative (positive) ion of samples,
measured value of blank air negative (positive) ion and Air negative (positive) ion
concentration of materials.
— Any factors that may affect the test result.