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GB/T 27756-2011: Glass electrodes for the measurement of pH value
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 27756-2011 | English | 229 |
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Glass electrodes for the measurement of pH value
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GB/T 27756-2011
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Basic data | Standard ID | GB/T 27756-2011 (GB/T27756-2011) | | Description (Translated English) | Glass electrodes for the measurement of pH value | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N53 | | Classification of International Standard | 71.040.01 | | Word Count Estimation | 10,126 | | Date of Issue | 2011-12-30 | | Date of Implementation | 2012-05-01 | | Quoted Standard | GB/T 191-2008; GB/T 2829-2002; GB/T 11606-2007; GB/T 27501-2011 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 22 of 2011 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the glass electrode classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage. This standard is applicable to the detection of pH in aqueous glass electrode. | GB/T 27756-2011: Glass electrodes for the measurement of pH value---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Glass electrodes for the measurement of pH value
ICS 71.040.01
N53
National Standards of People's Republic of China
determination of pH using a glass electrode
Issued on. 2011-12-30
2012-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
Please note that some of the content of this document may involve patents. Distribution of this document
Institutions do not assume the responsibility to identify these patents.
The standard proposed by China Machinery Industry Federation.
The standard measurement and control of the instruments Standardization Technical Committee Technical Committee (SAC/TC124/SC6) by the National Industrial Process
Centralized.
This standard was drafted. Shanghai Precision Scientific Instrument Co., Ltd., Shanghai Measurement and Testing Technology Research Institute, East China Normal University, Shanghai Lei
Pudong magnetic Instrument Factory Lianying Chang.
The main drafters of this standard. Wu Jianzhong, Wang Qiaomei, Kim Chun law, Wangzhen Tao, HE Pin-Gang, He Haidong.
determination of pH using a glass electrode
1 Scope
This standard specifies the classification of a glass electrode, requirements, test methods, inspection rules, marking, packaging, transportation and storage.
This standard is applicable to the detection of an aqueous solution of pH glass electrode (hereinafter referred to as electrode).
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 191-2008 Packaging - Pictorial signs (ISO 780.1997, MOD)
GB/T 2829-2002 periodic inspection Sampling procedures and tables (suitable for process stability test)
GB/T 11606-2007 analytical instruments environmental test methods
GB/T 27501-2011 pH value was determined by preparing a buffer solution
Category 3
3.1 Use of premises
Divided by the use of premises.
a) Laboratory;
b) line type.
3.2 Temperature of measured solution
According to the measured water temperature range is divided into.
a) ambient temperature. 5 ℃ ~ 60 ℃;
b) high temperature. 40 ℃ ~ 95 ℃.
Electrode zero point pH 3.3
Press and instrument matching zero pH is divided into.
a) pH7 type;
b) pH2 type.
4 Requirements
4.1 Electrode normal operating conditions
Electrode should be able to work under the following conditions.
a) Ambient temperature. 5 ℃ ~ 40 ℃;
b) Relative humidity. ≤90%.
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