GB/T 37321-2019 English PDF

US$359.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 37321-2019: Chemical analysis methods of different sulfur forms in gypsum and gypsum products
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 37321-2019	359	Add to Cart	4 days	Chemical analysis methods of different sulfur forms in gypsum and gypsum products	Valid

Similar standards

JC/T 620   JC/T 550   JC/T 547   GB/T 37127   GB/T 36141   

Basic data

Standard ID: GB/T 37321-2019 (GB/T37321-2019)
Description (Translated English): Chemical analysis methods of different sulfur forms in gypsum and gypsum products
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q27
Classification of International Standard: 91.100.10
Word Count Estimation: 18,156
Date of Issue: 2019-03-25
Date of Implementation: 2020-02-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 37321-2019: Chemical analysis methods of different sulfur forms in gypsum and gypsum products

---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.
Chemical analysis methods of different sulfur forms in gypsum and gypsum products ICS 91.100.10 Q27 National Standards of People's Republic of China Form sulfur in gypsum and gypsum products Chemical analysis method Published on.2019-03-25 2020-02-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword I Introduction II 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 basic requirements of the test 1 5 Preparation of sample 2 6 Continuous determination of sulfites and sulfides (ion chromatography) 2 7 Separation of sulfides (ion chromatography) 7 8 Determination of elemental sulfur (ion chromatography) 9 9 Determination of elemental sulfur (liquid chromatography) 11 10 Determination of sulfate 13 11 Test report 13 Appendix A (Normative Appendix) Analysis Results Acceptance Procedures 14

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and managed by the China Building Materials Federation. This standard was drafted. China Building Materials Inspection and Certification Group Co., Ltd., Fujian Zhengba New Materials Co., Ltd., China Building Materials Inspection and Certification Group Beijing Tianyu Co., Ltd., Building Materials Industry Technical Information Research Institute, Shenzhen Guangtian Group Co., Ltd., Jiangsu Yi Fu Technology Co., Ltd., Saint-Gobain Gypsum Building Materials (Shanghai) Co., Ltd., Changzhou Huatong Xinli Flooring Co., Ltd. The main drafters of this standard. Guo Zhongbao, Xu Danhua, Wu Jinglong, Xue Jihui, Qin Xianming, Yang Zaiyin, Li Nan, Chen Chunliu, Liu Jianfeng, Xu Fei, Li Shaoqiang, Liu Wenxiong, Li Man, Zhao Wenyan, Guan Hongyan, Liu Shihua, Han Wei, Ding Jianjun, Wang Mingyu, Yuan Qingdan, Bai Yongzhi.

Introduction

The issuing organization of this document draws attention to the fact that when the statement is in compliance with this document, it may involve the determination of the elemental sulfur content of the building material. Method (Patent No. ZL201210384906.9) and Patent "Continuous Determination of Sulfite and Sulfide Content in Building Materials and Geological Materials" Method (Patent No. ZL201310009136.4) use of related content. The issuing organization of this document has no position on the authenticity, validity and scope of the patent. The holder of the patent has assured the issuing authority of this document that he is willing to work with any applicant on reasonable and non-discriminatory terms and conditions. Negotiate on patent licensing. The patent holder's statement has been filed with the issuing authority of this document. Related information can be passed the following Contact information obtained. Patent holder. China Building Materials Inspection and Certification Group Co., Ltd. Address. China Building Materials General Institute, No. 1 Guanzhuang Dongli, Chaoyang District, Beijing Please note that in addition to the above patents, certain aspects of this document may still involve patents. The issuing organization of this document does not undertake to identify these special Liability. Form sulfur in gypsum and gypsum products Chemical analysis method

1 Scope

This standard specifies the chemical analysis of different forms of sulfur such as sulfite, sulfide, elemental sulfur and sulfate in gypsum and gypsum products. method. This standard applies to natural gypsum, flue gas desulfurization gypsum, phosphogypsum, fluorogypsum and other gypsum raw materials and gypsum products in the sulfite, vulcanization Determination of substances, elemental sulfur and sulfate.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 5484 gypsum chemical analysis method GB/T 6682 Analytical laboratory water specifications and test methods GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Formal sulfur differentsulfurforms Sulfur in the form of sulfites, sulfides, elemental sulfur and sulfates in gypsum and gypsum products.

4 basic requirements of the test

4.1 Reagents Unless otherwise stated, the reagents used in the test shall not be lower than the analytical grade, and the water used shall meet the secondary water requirements specified in GB/T 6682. The density of commercially available concentrated liquid reagents listed in this standard refers to a density (ρ) at 20 ° C in grams per cubic centimeter (g/cm 3 ). The acid used is not a concentration of any of the commercially available concentrated acids. 4.2 Number of tests and requirements The number of tests for each measurement is specified as two times, and the average of the results of the two tests is used to indicate the measurement results. Validity of results Follow the procedure in Appendix A. 4.3 Blank test Unless otherwise specified, the same amount of reagent is used, no sample is added, and the test is performed according to the same measurement procedure. Make corrections. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 37321-2019_English be delivered?

Answer: Upon your order, we will start to translate GB/T 37321-2019_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 37321-2019_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 37321-2019_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.