GB/T 26812-2011 English PDF

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GB/T 26812-2011: Preparation method of reference solutions for the measurement of ion selective electrodes
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 26812-2011	209	Add to Cart	3 days	Preparation method of reference solutions for the measurement of ion selective electrodes	Valid

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Basic data

Standard ID: GB/T 26812-2011 (GB/T26812-2011)
Description (Translated English): Preparation method of reference solutions for the measurement of ion selective electrodes
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N53
Classification of International Standard: 71.040.01
Word Count Estimation: 9,91
Date of Issue: 2011-07-29
Date of Implementation: 2011-12-01
Regulation (derived from): Announcement of Newly Approved National Standards No. 12 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 ion selective electrode calibration solution prepared reagents, equipment, procedures and so on. This standard applies to sodium, chloride, fluoride, nitrate ion selective electrode, ammonia electrode calibration solution preparation. This standard also applies to the corresponding ion concentration meter calibration solution preparation.

GB/T 26812-2011: Preparation method of reference solutions for the measurement of ion selective electrodes

---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.
Preparation method of reference solutions for the measurement of ion selective electrodes ICS 71.040.01 N53 National Standards of People's Republic of China Ion Selective Electrode Preparation of calibration solutions Issued on. 2011-07-29 2011-12-01 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. 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. Wang Qiaomei, Kim Chun law, Wu Jianzhong, Ding Min, HE Pin-Gang, He Haidong. Ion Selective Electrode Preparation of calibration solutions

1 Scope

This standard specifies the ion selective electrode calibration solution prepared using reagents, equipment, and other steps. This standard applies to sodium, chloride fluoride ions prepared, nitrate ion selective electrode, the ammonia gas sensor calibration solutions. This standard also applies to the preparation of the corresponding calibration solution meter ion concentration. Category 2 solution This column has six standard solution, the concentration of the composition shown in Table 1. Table 1 solution and concentration of species Solution code name solution Reagents Name Formula Stock concentration mol/L Calibration solution concentration mol/L a sodium chloride NaCl 10-1 10-1 ~ 10-8 b sodium chloride NaCl 10-1 10-1 ~ 10-6 c fluoride ion sodium fluoride NaF 10-1 10-1 ~ 10-7 d ammonium chloride NH4Cl 10-1 10-1 ~ 10-6 e ion potassium nitrate KNO3 10-1 10-1 ~ 10-5 f potassium chloride KCl 10-1 10-1 ~ 10-5

3 Reagents

Test reagents. a) Sodium chloride. pure class distinctions; b) Sodium fluoride. pure class distinctions; c) ammonium chloride. pure class distinctions; d) nitrate. pure class distinctions; e) Potassium chloride. pure class distinctions; f) Water. conductivity of not more than 0.1 × 10-6S/cm (Na + 0.2 × 10-6S/cm) of deionized water; g) ammonium-free water. in accordance with Appendix A preparation; h) sub-boiling water.

4 Device

Test equipment and utensils used. ......

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