N60 实验室仪器与真空仪器综合 标准查询与下载



共找到 103 条与 实验室仪器与真空仪器综合 相关的标准,共 7

1.1 This standard includes those statistical items related to the area of design of experiments for which standard definitions appears desirable.

Standard Terminology Relating to Design of Experiments

ICS
01.040.19 (Testing (Vocabularies)); 19.020 (Test c
CCS
N60
发布
2002
实施

This British Standard specifies requirements for fume cupboards designed to recirculate air back to the room after filtering out specified pollutants. This British Standard does not specify requirements for fume cupboards of the type dealt with in BS 7258. This British Standard is not applicable to recirculatory filtration fume cupboards of the following types: —recirculatory filtration fume cupboards for work on radioactive materials; —recirculatory filtration fume cupboards for work on microbiological agents; —high thermal load recirculatory filtration fume cupboards; —recirculatory filtration fume cupboards employing wet scrubbing systems. This British Standard is not intended to apply to small enclosures intended only for applications such as weighing, in which the filter retention capacity is likely to be small.

Specification for recirculatory filtration fume cupboards

ICS
13.040.30;91.140.30
CCS
N60
发布
2001-07-15
实施
2001-07-15

The document contains a survey of graphical symbols used in the field of weighing technique.

Graphical symbols for weighing - Part 1: Fundamental principles, survey

ICS
17.100;01.080.20
CCS
N60
发布
2000-02
实施

1.1 本标准适用于下列实验室用的直流电阻器: 准确度等级为0.0005~0.2〔5×10^(-6)~2×10^(-3)^(1])(科学标记法scientific motation)的单值或多值电阻器; 准确度等级为0.0005~5〔5×10^(-6)~5×10^(-2)的单值或多值十进电阻器。 1.2 本标准不适用于: a) 仅在电路中作为永久性安装元件的电阻器; b) 在交流电流或脉冲电流电路中使用的电阻器; c) 作为电测仪器附件的串联电阻和分流器^(2])。

Laboratory d.c.resistors

ICS
71.040.10
CCS
N60
发布
1999-08-06
实施
2000-01-01

本标准规定了远红外线干燥箱的型式、技术要求、试验方法、检验规则、标志、包装与贮存。 本标准适用于采用远红外线辐射能发生器(通称为远红外幅射器或辐射元件)对物料进行干燥用的远红外线干燥箱。

Far infra-red drying cabinet

ICS
CCS
N60
发布
1999-08-06
实施
2000-01-01

本标准规定了恒温油槽的技术要求、试验方法、检验规则、标志、包装及贮存。 本标准适用于作温度计的检定、对比、定点用的恒温油槽。

Specification of the oil bath under constant temperature

ICS
CCS
N60
发布
1999-08-06
实施
2000-01-01

1.1 This guide describes the essential features of freezing-point cells and auxiliary apparatus, and the techniques required to realize freezing points in the temperature range from 29 to 1085 176;C.1.2 Detailed design and construction are not addressed in this guide.1.3 This guide is intended to describe good practice and establish uniform procedures for the realization of freezing points.1.4 This guide emphasizes principles. The emphasis on principles is intended to aid the user in evaluating cells, in improving technique for using cells, and in establishing procedures for specific applications.1.5 For the purposes of this guide, the use of freezing-point cells for the accurate calibration of thermometers is restricted to immersion-type thermometers that, when inserted into the reentrant well of the cell, (1) indicate the temperature only of the isothermal region of the well, and (2) do not significantly alter the temperature of the isothermal region of the well by heat transfer.

Standard Guide for Use of Freezing-Point Cells for Reference Temperatures

ICS
CCS
N60
发布
1998
实施

本标准规定了实验室用240×90锥形球磨机的要求、试验方法、检验规则及标志与包装。 本标准适用于实验室用240×90锥形球磨机(以下简称磨机)。

Technical conditions of 240×90 conical ball mill for laboratory use

ICS
71.040.10
CCS
N60
发布
1997-10-20
实施
1998-05-25

本标准规定了实验室用三头研磨机的要求、试验方法、检验规则及标志与包装。 本标准适用于实验室用三头研磨机(以下简称研磨机)。

Technical conditions of three-head grinding machine for laboratory use

ICS
71.040.10
CCS
N60
发布
1997-10-20
实施
1998-05-25

Guide for Categorizing Fields of Capability for Laboratory Accreditation Purposes

ICS
03.120.20
CCS
N60
发布
1996-10
实施

Laboratory equipment. Enclosure for toxic using recirculating air filtration. General, classification, requirements.

ICS
13.040.30;71.040.10
CCS
N60
发布
1996-09-01
实施
1996-09-20

Laboratory installations. Collective protection means. Classification according to containment capacity.

ICS
13.040.30;71.040.10
CCS
N60
发布
1996-08-01
实施
1996-08-20

本标准规定了实验室用单槽浮选机的结构型式、系列及主要技术参数、型号编制方法、技术要求、试验方法及检验规则、标志与包装等要求。 本标准适用于地质环保、冶金、煤炭、化工、环保和建材等部门对各种金属、非金属矿物选别研究及实验室试验用的单槽浮选机(以下简称“浮选机”)。

Laboratory single tank flotation machine

ICS
71.040.10
CCS
N60
发布
1996-01-07
实施
1996-06-01

Following this guide will aid the user in maintaining control of both the bias and the precision of any test method. 4.1.1 It is necessary to control bias so that, if a change in level of an unknown material under test occurs, the user can be confident that the change was not due to the execution of the test method. 4.1.2 It is also necessary to control precision so that the established confidence limits and critical differences will be maintained. Should the use of the test method be out of control, this guide will detect it, and may give an indication of where the problem lies.1.1 This guide is intended to assist laboratories in maintaining precision and controlling bias in testing. It includes statistical procedures for detecting lack of control, changes in calibration constants, and in operator technique. Suggestions are given for the correction of some out of control situations.1.2 This guide includes the following topics: Topic Title SectionNumberScope1Referenced Documents2Terminology3Significance and Use4Calibration Control5Test Performance Control6Annexes:Calibration ControlAnnex A1Test Performance ControlAnnex A21.3 This standard does not give all of the details for preparing statistical quality control charts or the statistical tests used to interpret them, but such information may be found easily in a number of publications.

Standard Guide for Maintaining Test Methods in the User's Laboratory

ICS
59.080.30
CCS
N60
发布
1995
实施

本标准规定了实验室仪器产品检验分类,抽样与组批规则、抽样方案及判别准则。 本标准适用于实验室仪器产品标准中检验规则的编写及仲裁实验室仪器产品质量时作为判别依据参考。

Laboratory instruments product testing rules

ICS
71.040.10
CCS
N60
发布
1994-09-08
实施
1995-05-01

To be read in conjunction with BS 7258-1

Laboratory fume cupboards - Recommendations for the exchange of information and recommendations for installation

ICS
71.040.10
CCS
N60
发布
1994-04-15
实施
1994-04-15

This Part of BS 7258 describes a method for the assessment of the containment efficiency of general purpose laboratory fume cupboards. The method is applicable to fume cupboards covered by BS 7258. It is not intended for application to special purpose fume cupboards as detailed in BS 7258 : Part 1 : 1994. It does not apply to the testing of microbiological safety cabinets for which reference should be made to BS 5726. The test procedure is intended for use in type testing in a standardized test room but may also be applied to the determination of the containment of an installed fume cupboard under on site conditions.

Laboratory fume cupboards - Method for determination of the containment value of a laboratory fume cupboard

ICS
71.040.10
CCS
N60
发布
1994-04-15
实施
1994-04-15

1 This Part of BS 7258 specifies minimum safety requirements for general purpose laboratory fume cupboards and describes the methods of test to be used to determine their performance. 2 This Part of BS 7258 is not intended to cover fume cupboards for such special applications as carrying out work on radioactive materials, perchloric acid, etc. or for work where large quantities of heat are released. NOTE 1. Large quantities of heat create convection currents that adversely affect performance. This Part of BS 7258 is applicable to fume cupboards for some special applications but such fume cupboards will also have to comply with additional requirements, appropriate to specific hazards of the particular application, which are not covered in this specification. NOTE 2. Attention is drawn to the provisions of the following regulations. a) The Control of Substances Hazardous to Health Regulations 1988 (Statutory Instrument No. 1657)[2] and associated Approved Codes of Practice. Fume cupboards should be regarded as local exhaust ventilation equipment for the purposes of these Regulations. b) The Ionizing Radiations Regulations 1985 (Statutory Instrument No. 1333) [3] made under the Health and Safety at Work etc. Act 1974 and any other subsequent regulations made under that Act. c) Highly Flammable Liquids and Liquefied Petroleum Gases Regulations 1972 (Statutory Instrument No. 917) [4] (which were made under the Factories Act 1961) and in particular Regulation 10(2). Even when the regulations do not apply to particular premises, the standards they describe should be used as a guide. d) The Electricity at Work Regulations 1989 [5]. These regulations may not apply to all premises but the standards described will be a useful guide. 3 This Part of BS 7258 is not applicable to microbiological safety cabinets (see BS 5726). 4 This Part of BS 7258 is not applicable to specially designed fume cupboards of the following kinds: a) 'walk in' fume cupboards; b) recirculating fume cupboards; c) mobile fume cupboards not installed or operated in a manner complying with 3.2 and 3.4 of BS 7258 : Part 2 : 1994; d) fume cupboards for demonstrating experiments; e) fume cupboards for the storage of chemicals; f) industrial and continuous production process enclosures; g) fume cupboards with openings on more than one side; h) fume cupboards with a direct make-up air supply. NOTE. Design criteria for laboratory fume cupboards are given in annex A.

Laboratory fume cupboards - Specification for safety and performance

ICS
71.040.10
CCS
N60
发布
1994-04-15
实施
1994-04-15

To be read in conjunction with BS 7258-1

Laboratory fume cupboards - Recommendations for selection, use and maintenance

ICS
71.040.10
CCS
N60
发布
1994-04-15
实施
1994-04-15

1.1 This specification covers apparatus used for weighing and drying operations in microchemical laboratory practice. 1.2 The values stated in inch-pound units are to be regarded as the standard. The metric equivalents may be approximate. Note 18212;This specification was originally developed by the Committee on Microchemical Apparatus, Division of Analytical Chemistry, American Chemical Society.

Standard Specification for Weighing and Drying Apparatus for Microchemical Analysis

ICS
71.040.20
CCS
N60
发布
1994
实施



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