N50 物质成份分析仪器与环境监测仪器综合 标准查询与下载

NF X20-361:1976 气体分析.用不分散红外线射束吸收测定一氧化碳

Gas analysis. Determination of carbon monoxide by absorption of a non dispersive infra-red radiation beam.

NF X20-357:1976 用副品红分光光度法测定二氧化硫

Dioxide sulphur determination by spectrophotometry using pararosanilin.

NF X20-352:1976 用质谱仪法测定二氧化硫

Dioxide sulphur determination by mass spectrometry.

NF X20-355:1975 气体分析.电导测定法测定二氧化硫

Gas analysis-determination of sulfur dioxide by electrical conductimetry.

NF X20-305:1975 用电导测定法进行气体分析

Gas analysis by electrical conductimetry.

NF X20-351:1975 非扩散红外线辐射束吸收法测定二氧化硫

Determination of sulphur dioxide by absorption of a non dispersive infra-red radiation beam.

NF X20-354:1975 气体分析.连续比色法测定二氧化硫

Gas analysis - Determination of sulphur dioxide by continuous coulometric method.

NF X20-353:1975 气相色层分离法测定二氧化硫

DETERMINATION OF SULPHUR DIOXIDE BY GAS CHROMATOGRAPHY

NF X20-303:1974 气相色层分离法进行气体分析

GAS ANALYSIS BY MEANS OF GAS CHROMATOGRAPHY.

NF X20-304:1974 连续比色法进行气体分析

GAS ANALYSIS BY A CONTINUOUS COULOMETRIC METHOD.

NF X20-204:1974 气体分析.定量活塞泵校准用气体混合物的动态制备方法

Gas analysis. Method for the dynamic preparation of gas mixtures for calibration by proportioning piston pumps.

BS 4314-1:1968 气体物理分析装置规范.第1部分:工业用红外线气体分析器

Defines the characteristics of industrial infra-red gas analysers and recommends criteria for the selection of suitable instruments.

Specification for apparatus for physical methods of gas analysis - Infra-red gas analysers for industrial use

NF X14-001:1968 取样设备.锥形取样器

Sampling equipment. Cone sampler.

BS 1428-D1:1965 微量化学仪器.第D 集:容量分析仪器.第1部分:带压力加注装置和自动回零的滴定管规范

Construction, tolerances on capacity and delivery time, method of use, dimensioned drawings of four special burettes for microchemical work.

Microchemical apparatus - Volumetric analysis - Specification for burettes with pressure-filling device and automatic zero

BS 1428-B2:1960 微量化学仪器.第B集:除燃烧法外的元素测定仪器.第2部分:氨蒸馏装置(Markham)规范

Steam-jacketed apparatus. Permits spherical ground glass joint connection between distillation vessel and condenser. Dimensions. Use of the apparatus.

Microchemical analysis - Apparatus for the determination of elements by other than combustion methods - Specification for ammonia distillation apparatus (Markham)

BS 1428-D5:1955 微量化学仪器.第D5:容量分析仪器.第5部分:注射器式微量移液管规范

0.25 ml, 0.5 ml, 1 ml all-glass pipettes of 'walking-stick' type , delivery tolerance 0.002 ml. Dimensions, drawings.

Microchemical apparatus - Volumetric analysis - Specification for syringe pattern micro-pipette

BS EN 50271:2018 用于检测和测量可燃气体、有毒气体或氧气的电气设备 使用软件和/或数字技术的设备的要求和测试

This European Standard specifies requirements and tests for electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen using software and/or digital technologies. It is applicable to fixed, transportable and portable apparatus intended for use · in domestic premises or · in industrial applications where safety integrity levels 1 or 2 of IEC 61508 or safety categories 1 or 2 of EN 954-1 are required. In industrial applications this standard is also applicable to apparatus which are intended for use in hazardous areas which may contain explosive or potentially explosive atmospheres. This European standard supplements the requirements of the European Standards for the detection and measurement of combustible gases and vapours (e.g. EN 61779-1 to EN 61779-5, EN 50194), toxic gases (e.g EN 45544, EN 50291) or oxygen (e.g. EN 50104). note:1 For the purposes of this standard the word 'toxic' should be taken to include 'very toxic', 'toxic', 'harmful', 'corrosive', 'irritating', 'carcinogenic', 'mutagenic' and 'toxic to reproduction'.

Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen. Requirements and tests for apparatus using software and/or digital technologies

SJ 20655-1998 舰载直升机机载目标指示雷达通用规范

本规范规定了舰载直升机机载目标指示雷达的通用技术要求、质量保证规定和交货准备等。 本规范适用于舰载直升机机载目标指示雷达。

General specification for shipborne helicopter airborne target indication radar

JIS Z 8830 ERRATUM 1:2002 用气体吸收法测定粉末(固体)的比表面积(勘误1)

Determination of the specific surface area of powders (solids) by gas adsorption method (Erratum 1)