共找到 174 条与 分析化学综合 相关的标准,共 12 页
1.1 This specification covers benzene for cyclohexane feedstock. 1.2 The following applies to all specified limits in this standard: for purposes of determining conformance with this standard, an observed value or a calculated value shall be rounded off “to the nearest unit” in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice E29. 1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 1.4 Consult current OSHA regulations supplier’s Safety Data Sheets for all materials used in this specification.
Standard Specification for Benzene for Cyclohexane Feedstock
Technical terms for cemistry(elements)
Determination of maleic anhydride in phthalic anhydride by gas chromatography
Determination of thermal stability of chemicals Part 2: Thermogravimetric analysis
本标准规定了木制文具中 10 种含氯苯酚(2,4,6-三氯苯酚、2,3,6-三氯苯酚、2,3,5-三氯苯酚、2,4,5-三氯苯酚、2,3,4-三氯苯酚、3,4,5-三氯苯酚、2,3,5,6-四氯苯酚、2,3,4,6-四氯苯酚、2,3,4,5-四氯苯酚、五氯苯酚)的气相色谱-质谱(GC-MS)测定方法。 本标准适用于木制文具中含氯苯酚的测定。
Determination of Chlorophenols in Wooden Stationery by Gas Chromatography-Mass Spectrometry
本标准规定了修正产品中 11种苯系物(苯,甲苯,乙苯,对-二甲苯,间-二甲苯,邻-二甲苯,苯乙烯,氯苯,1,3-二氯苯,1,4-二氯苯,1,2-二氯苯)的气相色谱-质谱(GC-MS)测定方法。 本标准适用于能够覆盖书写、打字、油印等文字图案出现的错误并可以在涂改处重新书写的修正产品(修正液及修正带)。
Gas Chromatography-Mass Spectrometry for the Determination of Benzene Series in Corrected Products
本标准规定了气雾剂中12 种氯苯类化合物(氯苯、1,4-二氯苯、1,3-二氯苯、1,2-二氯苯、1,3,5-三氯苯、1,2,4-三氯苯、1,2,3-三氯苯、1,2,3,5-四氯苯、1,2,4,5-四氯苯、1,2,3,4-四氯苯、五氯苯、六氯苯)的气相色谱-质谱(GC-MS)测定方法。 本标准适用于杀虫剂、防霉剂、防蛀剂、除臭剂、空气清新剂等气雾剂中12种氯苯类化合物的测定。
Determination of Chlorobenzene Compounds in Aerosol by Gas Chromatography-Mass Spectrometry
本标准规定了可调谐激光气体分析仪的范围、规范性引用文件、术语和定义、基本要求、性能要求、安全要求、试验条件、试验方法、检验规则、标识、包装、运输和贮存、质量保证要求等。 本标准适用于使用半导体激光器作为光源,基于吸收光谱技术,可测量某一种或几种气体组分浓度的可调谐激光气体分析仪。
Tunable laser gas analyzer
本标准适用于扫描电子显微镜(SEM)图像清晰度的评价,涉及术语定义、获得SEM图像的步骤、SEM图像的获取、图像内区域的选取、具体的评价方法和检测报告等内容。其中,评价方法包括傅里叶变换(FT)法、对比梯度(CG)法及微分(DR)法。
Microbeam Analysis Scanning Electron Microscope Image Clarity Evaluation Method
4.1 These are minimum standards of quality assurance applicable to laboratories where analysis of seized-drug submissions is performed. 4.2 This practice is to be used by forensic analysts performing seized-drug analysis and promoted/supported by laboratory management. 1.1 This practice covers quality assurance issues in forensic laboratories performing seized-drug analysis including evidence handling, analytical procedures, report writing, method validation, documentation, proficiency testing, audits, and health and safety. 1.2 This practice is meant to apply only to qualitative seized-drug analysis. 1.3 This practice does not replace knowledge, skill, ability, experience, education, or training and should be used in conjunction with professional judgment. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Standard Practice for Quality Assurance of Laboratories Performing Seized-Drug Analysis
Compositional analysis of marine microalgae - Part 9: Determination of ash content
Analysis method of bisglyphosate content
本标准规定了便携式红外线气体分析器的术语和定义、分类、要求、试验方法、检验规则、标志、包装、运输和贮存。本标准适用于电池供电、内置泵吸入式测量混合气体成分的便携式红外线气体分析器(以下简称仪器)。
Portable infrared gas analyzer
Technical conditions for full (semi) automatic Kjeldahl nitrogen analyzer
Composition Analysis of Marine Microalgae Part 1: Determination of Neutral Lipids
Rapid detector for pesticide residues in vegetables
Water Quality Rapid Analyzer
Bromate Rapid Detector in Drinking Water
Protein Rapid Detector in Milk and Milk Powder
本标准规定了测定涂改制品中氯代烃的气相色谱—质谱测定法。 本标准适用于涂改制品(修正液、修正带、修正笔)中二氯甲烷、1,1-二氯乙烷、1,2-二氯乙烷、三氯甲烷、1,1,1-三氯乙烷、1,1,2-三氯乙烷、四氯化碳含量及总量的测定。 本方法检出限为0.1 mg/kg。
Determination of Chlorinated Hydrocarbons in Altered Products by Gas Chromatography-Mass Spectrometry
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