|
US$919.00 · In stock
Delivery: <= 7 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 5484-2024: Methods for chemical analysis of gypsum
Status: Valid GB/T 5484: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 5484-2024 | English | 919 |
Add to Cart
|
7 days [Need to translate]
|
Methods for chemical analysis of gypsum
| Valid |
GB/T 5484-2024
|
| GB/T 5484-2012 | English | 1719 |
Add to Cart
|
7 days [Need to translate]
|
Methods for chemical analysis of gypsum
| Obsolete |
GB/T 5484-2012
|
| GB/T 5484-2000 | English | 759 |
Add to Cart
|
5 days [Need to translate]
|
Methods for chemical analysis of gypsum
| Obsolete |
GB/T 5484-2000
|
| GB/T 5484-1985 | English | RFQ |
ASK
|
3 days [Need to translate]
|
Method for chemical analysis of gypsum and anhydrite
| Obsolete |
GB/T 5484-1985
|
PDF similar to GB/T 5484-2024
Basic data | Standard ID | GB/T 5484-2024 (GB/T5484-2024) | | Description (Translated English) | Methods for chemical analysis of gypsum | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q11 | | Classification of International Standard | 91.100.10 | | Word Count Estimation | 46,492 | | Date of Issue | 2024-04-25 | | Date of Implementation | 2024-11-01 | | Older Standard (superseded by this standard) | GB/T 5484-2012 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 5484-2024: Methods for chemical analysis of gypsum---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.
ICS 91:100:10
CCSQ11
National Standards of People's Republic of China
Replaces GB/T 5484-2012
Chemical analysis methods for gypsum
Released on 2024-04-25
2024-11-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Basic requirements for testing 1
5 Reagents and Materials 2
6 Instruments and Equipment 15
7 Sample preparation 17
8 Determination of water content of paste sample---drying difference subtraction method 18
9 Determination of adhering water---drying difference subtraction method 18
10 Determination of crystal water --- drying difference subtraction method 19
11 Determination of sulfur trioxide---barium sulfate weighing method 19
12 Determination of sulfur dioxide and calcium sulfite hemihydrate---iodine titration 21
13 Determination of silicon dioxide --- potassium fluorosilicate volumetric method (standard method) 22
14 Determination of silicon dioxide --- molybdenum blue spectrophotometry (alternative method) 23
15 Determination of ferric oxide --- o-phenanthroline spectrophotometry (standard method) 23
16 Determination of aluminum oxide --- EDTA direct titration of iron and aluminum content (standard method) 24
17 Determination of calcium oxide---EDTA titration method 25
18 Determination of magnesium oxide --- EDTA titration subtraction method (substitution method) 25
19 Determination of Titanium Dioxide --- Diantipyryl Methane Spectrophotometry (Standard Method) 26
20 Determination of potassium oxide and sodium oxide --- flame photometry (standard method) 26
21 Determination of Chloride Ions --- Ammonium Thiocyanate Volumetric Method (Standard Method) 26
22 Determination of fluoride ions --- ion selective electrode method 26
23 Determination of phosphorus pentoxide---phosphomolybdenum blue spectrophotometry (standard method) 26
24 Determination of Carbon Dioxide --- Alkali Asbestos Absorption Weighing Method (Standard Method) 26
25 Determination of pH value --- ion selective electrode method 27
26 Determination of water-soluble phosphorus pentoxide---phosphomolybdenum blue spectrophotometry 27
27 Determination of water-soluble magnesium oxide---Atomic absorption spectrometry 28
28 Determination of water-soluble potassium oxide and sodium oxide---flame photometry 28
29 Determination of water-soluble chloride ions---silver nitrate titration method 29
30 Determination of water-soluble fluoride ions---ion selective electrode method 29
31 Determination of acid-insoluble matter---hydrochloric acid treatment method 30
32 Determination of loss on ignition --- ignition difference subtraction method (substitute method) 31
33 Determination of ferric oxide --- EDTA direct titration method (substitute method) 31
34 Determination of aluminum oxide --- EDTA direct titration method (substitute method) 32
35 Determination of Aluminum Oxide --- Copper Sulfate Back Titration Method (Substitute Method) 32
36 Determination of magnesium oxide --- atomic absorption spectrometry (standard method) 33
37 Determination of Chloride Ions --- Automatic Potentiometric Titration (Substitute Method) 33
38 Determination of Chloride Ions --- Ion Chromatography (Substitute Method) 34
39 Determination of Carbon Dioxide --- Infrared Analysis (Substitute Method) 34
40 Inductively coupled plasma emission spectrometry for determination of ferric oxide, aluminum oxide, magnesium oxide, titanium dioxide, potassium oxide,
Sodium oxide, manganese monoxide, phosphorus pentoxide (substitute method) 34
41 Determination of water-soluble chromium (VI) 34
42 Allowable difference 35
Appendix A (Informative) Example of calculation of the metering point when determining chloride ions by potentiometric titration 37
Foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents"
Drafting:
This document replaces GB/T 5484-2012 "Chemical analysis method for gypsum": Compared with GB/T 5484-2012, except for the structural adjustment and compilation
In addition to logical changes, the main technical changes are as follows:
a) Change "other analysis results are expressed on a dry basis (see 3:2)" to "other analysis results are expressed (on an as-received basis or on a dry basis)"
The user shall make the selection and, if necessary, indicate whether it is the received basis result or the dry basis result” (see 4:2, 4:2 of the:2012 edition);
b) Deleted the following: “Convert the analytical results other than adhering water into dry basis results: Convert the measured as-received basis results Xr into
The dry basis result X is calculated according to formula (17)" (see 7:1:2 of the:2012 edition);
c) Deleted "Determination of Chloride Ions - Phosphoric Acid Distillation-Mercury Salt Titration Method (Substitute Method)" (Chapter 37 of the:2012 Edition);
d) Added “Determination of chloride ion---ion chromatography (alternative method)” (see Chapter 38);
e) Deleted "Determination of Carbon Dioxide - Automatic Photoelectric Titration (Substitute Method)" (Chapter 39 of the:2012 Edition);
f) Added "Determination of Carbon Dioxide - Infrared Analysis (Substitute Method)" (see Chapter 39);
g) Added "Inductively coupled plasma emission spectrometry for determination of ferric oxide, aluminum oxide, magnesium oxide, titanium dioxide,
Potassium, sodium oxide, manganese monoxide, phosphorus pentoxide (substitute method)" (see Chapter 40);
h) Added “Determination of water-soluble chromium (VI)” (see Chapter 41):
Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents:
This document was proposed by China Building Materials Federation:
This document is under the jurisdiction of the National Cement Standardization Technical Committee (SAC/TC184):
This document was drafted by: China National Testing Holding Group Co:, Ltd:, Anhui Conch Cement Co:, Ltd:, Beijing New Construction Group Co:, Ltd:
Materials Co:, Ltd:, Xiamen Ace Standard Sand Co:, Ltd:, Baotou Steel Jidong Cement Co:, Ltd:, Liaocheng Xinyuan Group Co:, Ltd:, Mianyang Vocational
Industrial Technology College, Quyang Jinyu Cement Co:, Ltd:, Taishan Gypsum Co:, Ltd:, Sinoma Pingxiang Cement Co:, Ltd:, Yunnan Building Materials Products
Quality Inspection Institute, Jining Zhonglian Cement Co:, Ltd:, Ningxia Zhongce Measurement Testing and Inspection Institute (Co:, Ltd:), Guangxi Du'an Xijiang Yufeng Water
Cement Co:, Ltd:, Three Gorges Public Inspection and Testing Center, Qiqihar Mengxi Cement Co:, Ltd:, Hunan Runyou Technology Development Co:, Ltd:, Beijing Cheng
Jian Construction Engineering Co:, Ltd:, Anhui Menofu Technology Co:, Ltd:, Jiangsu Suyan Jingshen Co:, Ltd:, Shanxi Excellence Cement Co:, Ltd:,
Oriental Yuhong Sand Powder Technology Group Co:, Ltd:
The main drafters of this document are: Lu Juanjuan, Li Qunfeng, Dai Ping, Xie Faquan, Sun Zhisheng, Cui Jian, Bai Hongcheng, Wang Xiaomei, Ma Zhaomo, Wang Ruihai,
Zhang Qinghua, Zhang Gang, Wang Yalan, Wang Wei, Yu Bo, Lu Xiaoquan, Wang Qi, Li Chunxiang, Wang Yefei, Fu Hui, Gao Dandan, Jia Chunli, Zhang Junxing, Ren Jingyi,
Duan Zhaohui, Liu Yamin, Li Fengwu, Bao Baliji, Zhang Yuxi, Lei Zhen, Li Chengguang, Deng Chenghong, Huang Hua, Wang Huan, Guo Meng, Huo Jundi, Song Shixia,
Yang Shuhua, Liu Jiang, Lan Wenxian, Ji Shaowei, Liu Jie, Liu Bo, Xian Shigang, Liao Liping, Zhang Dachun, Cheng Wenbo, Jiang Hao, Teng Zhaohui, Mao Kai, Zhao Lun:
The previous versions of this document and the documents it replaces are as follows:
---First published in 1985, first revised in:2000, and second revised in:2012;
---This is the third revision:
Chemical analysis methods for gypsum
1 Scope
This document specifies reference and alternative methods for the chemical analysis of natural gypsum, anhydrite and industrial by-product gypsum:
This document applies to natural gypsum, anhydrite and industrial by-product gypsum:
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document:
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document:
GB/T 176 Chemical analysis methods for cement
GB/T 2007:1 General rules for sampling and sample preparation of bulk mineral products Manual sampling method
GB/T 6682 Specifications and test methods for water used in analytical laboratories
GB/T 12960 Quantitative determination of cement components
GB 31893 Limits and determination methods of water-soluble chromium (VI) in cement
3 Terms and definitions
The following terms and definitions apply to this document:
3:1
receivedbase
Based on the plaster as received:
3:2
Dry base
The gypsum with attached water removed is taken as the benchmark, that is, the gypsum sample is dried to a constant state at 45℃±3℃:
4 Basic requirements for the test
4:1 Test times and requirements
The number of tests for each determination is specified to be two, and the absolute difference between the two results is within the allowable difference of the same laboratory (see Table 3):
The average value of the test results represents the measurement result:
4:2 Expression of mass, volume, titer and results
The mass is expressed in grams (g) with an accuracy of 0:0001g: The volume of the burette is expressed in milliliters (mL) with an accuracy of 0:01mL:
The unit of measurement is expressed in "milligram per milliliter (mg/mL)":
The concentration, titration degree and volume ratio of the standard titration solution shall be rounded off to four significant figures:
The pH value analysis results are rounded to one decimal place, and the water-soluble chromium (VI) analysis results are expressed in milligrams per kilogram (mg/kg) to the decimal place:
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 5484-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 5484-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 7 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of GB/T 5484-2024_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 5484-2024_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+ countriesQuestion 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 [email protected]. 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. Question 5: Should I purchase the latest version GB/T 5484-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 5484-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.
|