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GB/T 28211-2011: Laboratory glassware -- Filter funnels
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 28211-2011 | English | 229 |
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Laboratory glassware -- Filter funnels
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GB/T 28211-2011
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Basic data | Standard ID | GB/T 28211-2011 (GB/T28211-2011) | | Description (Translated English) | Laboratory glassware -- Filter funnels | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N64 | | Classification of International Standard | 81.040.01 | | Word Count Estimation | 10,140 | | Date of Issue | 2011-12-30 | | Date of Implementation | 2012-09-01 | | Quoted Standard | GB/T 191; GB/T 2828.1; GB/T 6543; GB/T 6582; GB/T 15726 | | Adopted Standard | ISO 4798-1997, NEQ | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 23 of 2011 | | 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 general laboratory glass filter funnel with the classification and structure, size, technical requirements, test methods, inspection rules and signs, packaging, transportation and storage. Filter funnel glassware can be assembled with other general use, such as flasks, volumetric flasks. This standard applies to ordinary laboratory glass filter funnel. | GB/T 28211-2011: Laboratory glassware -- Filter funnels---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.
Laboratory glassware. Filter funnels
ICS 81.040.01
N64
National Standards of People's Republic of China
Laboratory glassware filter funnel
(ISO 4798.1997, NEQ)
Issued on. 2011-12-30
2012-09-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard is based on GB/T 1.1-2009 given rule drafting.
The standard reference method using redrafted ISO 4798.1997 "Laboratory glassware filter funnel" preparation, and ISO 4798.1997
The non-equivalent.
The standard proposed by China National Light Industry Council.
This standard by National Instrument Standardization Technical Committee on Glass (SAC/TC178) centralized.
This standard was drafted. Yancheng Glass Instrument Factory, glass National Light Industry Product Quality Supervision and Inspection Center.
The main drafters of this standard. YT Zhu, Xu Wenhua, Yuan Chunmei, Liang Ye.
Laboratory glassware filter funnel
1 Scope
This standard specifies the classification and general structure of laboratory glass filter funnel, size, technical requirements, test methods, inspection regulations
The marking, packaging, transportation and storage. Filtration funnel glassware with other ships assembled and used, such as flasks, volumetric flasks.
This standard applies to the use of general laboratory glass filter funnel.
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.
GB/T 191 Packaging - Pictorial signs
GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan
GB/T 6543 transport packaging corrugated box with a single and double corrugated boxes
GB/T 6582 Test methods and classification of glass particles at 98 ℃ water resistance
Within the GB/T 15726 glassware stress testing methods
3 classification and structure
3.1 Classification
Products can be divided according to the shape of the standard short-necked triangle filter funnel, standard filter funnel Triangle of long-necked, cylindrical filter funnel.
3.2 Structure
3.2.1 standard short-necked funnel triangle filter
Filter bowls conical angle of 60 °, below the center position in the filter bowl, a thin glass welding, the tail end of ground tube of about 45 ° angle, as shown in Figure 1a)
FIG.
3.2.2 Standard filter funnel necked triangle
Filter bowls conical angle of 60 °, below the center position in the filter bowl, a thin glass welding, the tail end of ground tube of about 45 ° angle, as shown in Figure 1b)
FIG.
3.2.3 cylindrical filter funnel
Filter bowl is cylindrical, rounded at the bottom center of the filter lies below the bowl, a thin glass welding, the tail end of the tube is approximately 45 ° angle, as shown in Figure 1c)
FIG.
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