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GB/T 31195-2014 English PDF

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US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 31195-2014: High chloride high ammonia wastewater -- Determination of chemical oxygen demand -- Chloride ion calibration method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 31195-2014	189	Add to Cart	3 days	High chloride high ammonia wastewater -- Determination of chemical oxygen demand -- Chloride ion calibration method	Valid

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Basic data

Standard ID: GB/T 31195-2014 (GB/T31195-2014)
Description (Translated English): High chloride high ammonia wastewater -- Determination of chemical oxygen demand -- Chloride ion calibration method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G74
Classification of International Standard: 71.100.99
Word Count Estimation: 8,847
Date of Issue: 9/3/2014
Date of Implementation: 5/1/2015
Quoted Standard: GB/T 6682; GB 11896
Regulation (derived from): People's Republic of China Announcement of Newly Approved National Standards No. 21 of 2014
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 high chloride high ammonia wastewater chemical oxygen demand (COD) of the measurement method. This Standard is applicable to the determination of chlorine refining catalysts and high catalytic material corresponding high ammonia wa

GB/T 31195-2014: High chloride high ammonia wastewater -- Determination of chemical oxygen demand -- Chloride ion calibration method

---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.
High chloride high ammonia wastewater. Determination of chemical oxygen demand. Chloride ion calibration method ICS 71.100.99 G74 National Standards of People's Republic of China Determination of high chloride high ammonia wastewater COD Chloride correction method Issued on. 2014-09-03 2015-05-01 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 proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee chemical catalyst chemistry Technical Committee (SAC/TC63/SC10) centralized. This standard drafting unit. China Petrochemical Catalyst Co., Ltd., Hunan Dongting Lake ecological environment monitoring center, Jiangsu Province Quality Association, Southern Group Institute. The main drafters of this standard. Liu Zhijian, Yin Xiping, Lili Jiang, Huang Wei, Li Ye, Europe volt level, even flowers, Fu Zhe, Tsang Tak Kim, He Yong, Wei Di, Qiu Ailing. Determination of high chloride high ammonia wastewater COD Chloride correction method Warning. The use of this standard may involve certain hazardous materials, operations and equipment, but not all security related to this issue We have put forward proposals. Users Before using this standard has the responsibility to develop appropriate security and protection measures, and clearly restricted its application range.

1 Scope

This standard specifies the high chloride high ammonia wastewater chemical oxygen demand (COD) determination method. This standard applies to the determination of high chloride high ammonia wastewater refining catalysts and the corresponding catalytic materials in the production process in the chemical oxygen demand. Wherein the chloride ion concentration of no more than 2000mg/L, ammonium ion concentration does not exceed 1000mg/L, CODCr greater than 50mg/L.

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. Laboratory use specifications and test methods GB/T 6682 Analysis GB 11896 Water quality - Determination of chloride - Silver nitrate titration method

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 High chloride high ammonia wastewater highchloridehighammoniawastewater While refining catalysts and the corresponding catalytic materials generated during the production of chlorine-containing ions and ammonium ions wastewater. 3.2 Apparent COD apparentCOD Under certain conditions, after the removal of ammonium ions in water samples, the amount of potassium dichromate consumed by the water samples in terms of the quality of the corresponding oxygen concentration. 3.3 Chloride correction chlorideioncorrectionvalue According to the chloride ion concentration, isolated chloride ion corresponding COD value from the COD-Cl- calibration curve.

4 General Provisions

This standard reagents and water, did not indicate when the other requirements, refer to analytical reagents and in line with GB/T 6682 regulations three Grade water. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 31195-2014_English be delivered?

Answer: Upon your order, we will start to translate GB/T 31195-2014_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 31195-2014_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 31195-2014_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.