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GB/T 12804-2011: Laboratory glassware -- Graduated measuring cylinders
Status: Valid GB/T 12804: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 12804-2011 | English | 229 |
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3 days [Need to translate]
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Laboratory glassware -- Graduated measuring cylinders
| Valid |
GB/T 12804-2011
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| GB/T 12804-1991 | English | 319 |
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3 days [Need to translate]
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Laboratory glassware--Graduated measuring cylinders
| Obsolete |
GB/T 12804-1991
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PDF similar to GB/T 12804-2011
Basic data | Standard ID | GB/T 12804-2011 (GB/T12804-2011) | | Description (Translated English) | Laboratory glassware -- Graduated measuring cylinders | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N64 | | Classification of International Standard | 81.040.01 | | Word Count Estimation | 10,153 | | Date of Issue | 2011-12-30 | | Date of Implementation | 2012-09-01 | | Older Standard (superseded by this standard) | GB/T 12804-1991 | | Quoted Standard | GB/T 191; GB/T 2828.1; GB/T 6543; GB/T 6582; GB/T 15726; GB/T 21297; JJG 196 | | Adopted Standard | ISO 4788-2005, 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 cylinder size specifications, technical requirements, test methods, inspection rules and signs, packaging, transport and storage. This standard applies to non- stoppered cylinders, stoppered graduated cylinder series. | GB/T 12804-2011: Laboratory glassware -- Graduated measuring cylinders---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. Graduated measuring cylinders
ICS 81.040.01
N64
National Standards of People's Republic of China
Replacing GB/T 12804-1991
Laboratory glassware cylinder
(ISO 4788.2005, 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.
This standard replaces GB/T 12804-1991 "Laboratory glassware graduated cylinder." And GB/T 12804-1991 compared to the main
difference.
--- Increasing the terms and definitions;
--- Increase the appearance of the product requirements and inspection rules.
The standard reference method using redrafted ISO 4788.2005 "Laboratory glassware graduated cylinder" preparation, consistency with the ISO 4788
Not 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. Beijing Glass Instrument Factory, glass National Light Industry Product Quality Supervision and Inspection Center.
The main drafters of this standard. Wu Wenling, Yuan Chunmei, Liang Ye.
This standard replaces the standards previously issued as follows.
--- GB/T 12804-1991.
Laboratory glassware cylinder
1 Scope
This standard specifies the cylinder of size, technical requirements, test methods, inspection rules and signs, packaging, transportation and storage.
This standard applies to non-plug cylinder, stoppered cylinder series.
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
GB/T 21297 tapered frosted glass laboratory equipment swap connector
Glass Container JJG196 common test procedures
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Standard temperature standardtemperature
Or to measure out the amount of the nominal temperature cylinder volume (capacity) of the time, it should be 20 ℃.
3.2
Capacity capacity
At 20 ℃, the volume of water is filled into the cylinder tick accommodated 20 ℃, expressed in ml.
3.3
Meniscus meniscus
Capacity test interface between the liquid and the air.
3.4
The amount of the formula typeofmeasurein
The water is injected into the drying cylinder to the desired volume dividing line is the dividing line capacity. The amount represented by the formula symbol "In".
3.5
Measure type typeofmeasureout
Water was injected into the cylinder required reticle, then poured out. After waiting 30s the volume of the discharged capacity is the dividing line. Measure type character
No. with "Ex" represents.
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