GB/T 32116-2015 English PDF

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GB/T 32116-2015: Determination of total organic carbon (TOC) in industrial circulating cooling water
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 32116-2015	129	Add to Cart	3 days	Determination of total organic carbon (TOC) in industrial circulating cooling water	Valid

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Basic data

Standard ID: GB/T 32116-2015 (GB/T32116-2015)
Description (Translated English): Determination of total organic carbon (TOC) in industrial circulating cooling water
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G76
Classification of International Standard: 71.040.40
Word Count Estimation: 6,669
Date of Issue: 2015-10-09
Date of Implementation: 2016-05-01
Quoted Standard: GB/T 602; GB/T 603; GB/T 6682
Adopted Standard: ISO 8245-1999, NEQ
Regulation (derived from): National Standard Announcement 2015 No.31
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 circulating cooling water total organic carbon (TOC) measurement method: Online TOC analyzer assay and instrument analysis. This Standard applies to the analysis of the circulating cooling water content 0.1mg/L ~ 1000mg/L TOC, also applies to surface water, ground water, reuse water measured total organic carbon.

GB/T 32116-2015: Determination of total organic carbon (TOC) in industrial circulating cooling water

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(Circulating cooling water total organic carbon (TOC) Determination) ICS 71.040.40 G76 National Standards of People's Republic of China Circulating cooling water total organic carbon (TOC) Determination Determinationoftotalorganiccarbon (TOC) inindustrialcirculating coolingwater [ISO 8245.1999, Waterquality-Guidelinesforthedeterminationoftotal organiccarbon (TOC) anddissolvedorganiccarbon (DOC), NEQ] Issued on. 2015-10-09 2016-05-01 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. The standard method to use to redraft the 8245 reference ISO .1999 "Quality of total organic carbon (TOC) and dissolved organic carbon (DOC) measured Settings Guide "prepared with the ISO 8245.1999 is not equivalent degree of consistency. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee Chemistry (SAC/TC63) centralized. This standard is drafted by. CNOOC Tianjin Chemical Research & Design Institute, Guangzhou Special Pressure Equipment Inspection and Research Institute, Shenzhen City, measuring seized Measurement Technology Co., Ltd., China Petroleum & Chemical Corporation Beijing Research Institute of Chemical Yanshan Branch, Tianjin Pacific Technology Co., Ltd. the company. The main drafters of this standard. Zhuzhuan Jun, Yang Lin, Chen Gui shower, Ren Zhifeng, Li Lin, Liu Juan, Hewen Li, Fan Dayong, Lu Yun-hong. Circulating cooling water total organic carbon (TOC) Determination

1 Scope

This standard specifies the circulating cooling water total organic carbon (TOC) measurement method. Online TOC analyzer assay and instrument analysis. This standard applies to the content of the cooling water circulating in the analysis of 0.1mg/L ~ 1000mg/L TOC, also applies to surface water, ground Surface water, back to the determination of total organic carbon in water.

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. Preparation of standard solution of GB/T 602 Determination of impurities in chemical reagents GB/T 603 chemical reagent in test methods - Preparations with Laboratory use specifications and test methods GB/T 6682 Analysis

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Total carbon totalcarbon; TC Organic carbon present in water, inorganic carbon and total content of elemental carbon. 3.2 Total inorganic carbon totalinorganiccarbon; TIC Existing water elemental carbon, total carbon dioxide, carbon monoxide, carbides, cyanate, cyanide and carbon content of thiocyanate. 3.3 TOC totalorganiccarbon; TOC Carbon content dissolved and suspended organic carbon present in the water to indicate a comprehensive index of total organic matter in water. 4-line TOC analyzer assay 4.1 Principle Was added a small amount of hydrochloric acid to acidify the sample, followed by aeration, inorganic carbon in the sample from the sample is converted to carbon dioxide is Removed. Then the sample is injected into the hot combustion catalyst containing tubes (also use other digestion mode), the organic matter is oxidized sample Carbon dioxide, carbon dioxide generated by the use of a carrier gas dehumidification, after purification, introduced into the non-dispersive infrared gas detectors. Laid Given wavelength, infrared carbon dioxide within a certain range of concentration of the absorption is proportionate to the concentration of its mass, in order to calculate the sample Total organic carbon (TOC) concentration. 4.2 Reagents and materials 4.2.1 This standard reagents used, unless otherwise specified, shall use analytical reagent and in line with GB/T 6682 stipulated a water. ......

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