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水中硝酸亚硝酸盐的标准试验方法

Standard Test Methods for Nitrite-Nitrate in Water

镉化学分析的标准试验方法

Standard Test Methods for Chemical Analysis of Cadmium

用于单乙二醇、双乙二醇和三乙二醇中甲醛的测定的标准测试方法

Standard Test Method for Aldehydes in Mono-, Di-, and Triethylene Glycol (Spectrophotometric Method)

无损检验.X射线管电压的测量和评估.第1部分:分压器法

Non-destructive testing - Measurement and evaluation of the X-ray tube voltage - Part 1: Voltage divider method; German version EN 12544-1:1999

油菜籽.叶绿素含量的测定.光谱法(ISO 10519:2015)

Rapeseed - Determination of chlorophyll content - Spectrometric method (ISO 10519:2015); German version EN ISO 10519:2015

石油产品.柴油中硝酸烷基酯含量测定.光谱法

Petroleum Products - Determination of alkyl nitrate in diesel fuels - Spectrometric method (ISO 13759:1996); German version EN ISO 13759:1996

无损美利体育登录入口官网X射线管电压的测量和评估第3部分：光谱测定法

Non-destructive testing - Measurement and evaluation of the X-ray tube voltage - Part 3: Spectrometric method (ISO 16526-3:2011); German version EN ISO 16526-3:2020

皮革 金属含量的化学测定 第2部分：总金属含量（ISO/DIS 17072-2:2017）

Leather - Chemical determination of metal content - Part 2: Total metal content (ISO/DIS 17072-2:2017); German and English version prEN ISO 17072-2:2017

大米 直链淀粉含量的测定 第2部分：不带脱脂程序并根据大米标准进行校准的分光光度常规方法

Rice - Determination of amylose content - Part 2: Spectrophotometric routine method without defatting procedure and with calibration from rice standards (ISO 6647-2:2020); German version EN ISO 6647-2:2020

加工水果和蔬菜产品 分光光度法测定5-羟甲基糠醛含量

Fruit and vegetable products. Determination of 5-hydroxymethylfurfural content by spectrophotometric method

海绵钛 钒、锰、铬、铜、锆、铝、钼、锡、镁、钨的光谱法测定

Sponge titanium. Spectral method for determination of vanadium, manganese, chrome, copper, zirconium, aluminium, molybdenum, tin, magnesium and tungsten

铜. 杂质的谱分析方法

Copper. Spectral methods of impurity analysis

肉类及肉制品 分光光度法测定色氨酸的质量分数

Meat and meat products. Determination of the mass fraction of tryptophan by spectrophotometric method

石油产品.柴油燃料中硝酸烷基酯的光谱测定法

Petroleum products. Determination of alkyl nitrate in diesel fuels by spectrometric method

环境质量 空气质量 固定源排放 第3部分 用紫外分光光度法测定烟囱或排气道排放物中氮氧化物的方法

Environmental quality - Air quality. Emissions from stationary sources. Part 3 - Method for the determination of nitrogen oxides in emissions from stacks or evacuation ducts, by spectrophotometry in the ultraviolet region.

石油产品 柴油中硝酸烷基酯含量的测定 分光光度法

Petroleum products - Determination of alkyl nitrate in diesel fuels - Spectrometric method

无损美利体育登录入口官网.X射线管电压的测量与评价.第3部分:频谱方法

Non-destructive testing - Measurement and evaluation of the X-ray tube voltage - Part 3: Spectrometric method

近场试验 X射线管电压测量与评估 第3部分：光谱方法（ISO 16526-3:2011）

Non-destructive testing - Measurement and evaluation of the X-ray tube voltage - Part 3: Spectrometric method (ISO 16526-3:2011)

首饰 金覆盖层厚度的测定 光谱法

Spectroscopic method for determination of gold coating thickness in jewelry

首饰 银覆盖层厚度的测定 光谱法

Spectroscopic method for determination of thickness of silver coating in jewelry

无损美利体育登录入口官网.X射线管电压的测量和评估 第3部分：光谱法

Non-destructive testing - Measurement and evaluation of the X-ray tube voltage - Part 3: Spectrometric method

无损美利体育登录入口官网.X射线管电压的测量和评估 第3部分：光谱法（ISO 16526-3:2011）

Non-destructive testing - Measurement and evaluation of the X-ray tube voltage - Part 3: Spectrometric method (ISO 16526-3:2011)

灯控制美利体育官网首页网址 - 第 2-7 部分：应急照明用电池供电电子控制美利体育官网首页网址（独立式）的特殊要求

Lamp controlgear - Part 2-7: Particular requirements for battery supplied electronic controlgear for emergency lighting (self-contained)