|
US$199.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 6286-2021: Determination of bulk density for molecular sieve
Status: Valid GB/T 6286: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 6286-2021 | English | 199 |
Add to Cart
|
3 days [Need to translate]
|
Determination of bulk density for molecular sieve
| Valid |
GB/T 6286-2021
|
| GB/T 6286-1986 | English | 239 |
Add to Cart
|
2 days [Need to translate]
|
Determination of bulk density for molecular sieve
| Obsolete |
GB/T 6286-1986
|
PDF similar to GB/T 6286-2021
Basic data | Standard ID | GB/T 6286-2021 (GB/T6286-2021) | | Description (Translated English) | Determination of bulk density for molecular sieve | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G85 | | Word Count Estimation | 10,145 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 6286-2021: Determination of bulk density for molecular sieve---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.
Determination of bulk density for molecular sieve
ICS 71.100.99
CCSG85
National Standards of People's Republic of China
Replace GB/T 6286-1986
Molecular sieve bulk density measurement method
Released on 2021-08-20
2022-03-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
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 of Standardization Documents"
Drafting.
This document replaces GB/T 6286-1986 "Molecular Sieve Bulk Density Determination Method", compared with GB/T 6286-1986, except for structural adjustment
In addition to the overall and editorial changes, the main technical changes are as follows.
a) Expanded the scope of application of this document (see Chapter 1, Chapter 1 of the 1986 edition);
b) The requirements for reagents or materials for the bulk density determination method have been added (see Chapter 4);
c) Modified the requirements for equipment and sample preparation of the bulk density determination method (see Chapter 5 and Chapter 6, Chapter 2 of the 1986 edition
Chapter and Chapter 3);
d) The method for measuring the bulk density of granular and powdered molecular sieves under direct measurement has been added (see Chapter 7, Chapter 8, and Chapter 9);
e) The method for measuring the tapped bulk density of powdered molecular sieve on a dry basis has been added (see Chapter 10);
f) Improved the experimental procedure of dry bulk density (see 10.1, Chapter 4 of the 1986 edition);
g) Modified the test data processing method of dry base bulk density (see 10.2, Chapter 5 of the 1986 edition);
h) Modified the precision requirements of the dry basis bulk density determination method (see 10.3, 5.3 of the 1986 edition);
i) The test report requirements have been added (see Chapter 11).
Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents.
This document was proposed by the China Petroleum and Chemical Industry Federation.
This document is under the jurisdiction of the National Standardization Technical Committee for Fertilizers and Soil Conditioners (SAC/TC105).
Drafting organizations of this document. Shanghai Research Institute of Chemical Industry Co., Ltd., Shanghai Lvqiang New Material Co., Ltd., Huzhou Qiangqiang Molecular Sieve Technology Co., Ltd.
Company, Shanghai Huanqiu Engineering Co., Ltd.
The main drafters of this document. Zhu Lin, Wang Pengfei, Zhang Jia, Zhu Yi, Zhou Yongxian, He Qiuping, Wu Junsheng, Wu Jiachen, Sun Gang, Liu Yuandan.
The previous releases of this document and the documents it replaced are as follows.
---First published as GB/T 6286-1986 in 1986;
---This is the first revision.
Molecular sieve bulk density measurement method
Warning---The personnel using this document should have practical experience in formal laboratory work. This document does not indicate all possible safety issues
question. The user is responsible for taking appropriate safety and health measures and ensuring compliance with the conditions stipulated by relevant national laws and regulations.
1 Scope
This document specifies the method for measuring the bulk density of molecular sieves.
This document is applicable to the determination of bulk density and tapped bulk density of various granular molecular sieves, the determination of tapped bulk density of powdered molecular sieves, granular
Determination of bulk and tapped bulk density on dry basis of molecular sieve, determination of bulk density on dry basis of powdered molecular sieve.
2 Normative references
The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations
Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
This document.
GB/T 6678 General Rules for Sampling of Chemical Products
GB/T 12804-2011 Laboratory glass measuring cylinder
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Bulk density
The mass of molecular sieve per unit bulk volume.
3.2
Loose bulk density
Under the specified conditions, the molecular sieve is poured into the container freely, the mass of the molecular sieve per unit bulk volume.
[Source. GB/T 33032-2016,2.3.18]
3.3
Tappedbulkdensity
Under the specified conditions, the molecular sieve is poured into the container, and the mass of the molecular sieve per unit bulk volume after being tapped.
[Source. GB/T 33032-2016,2.3.19]
3.4
Dry bulk density drybulkdensity
Under specified conditions, the moisture absorbed by the sample is deducted from the measured bulk density, and the calculated dry basis of molecular sieve per unit bulk volume is calculated
the quality of.
4 Reagents or materials
Sealing film. polyethylene material or other materials with low moisture permeability.
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 6286-2021_English be delivered?Answer: Upon your order, we will start to translate GB/T 6286-2021_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 6286-2021_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 6286-2021_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 6286-2021?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 6286-2021 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.
|