-
YS/T 1381-2020 铑化合物化学分析方法 砷含量的测定 原子荧光光谱法 Method for chemical analysis of rhodium compounds- Determination of arsenic content-Atomic fluorescence spectrometry
本标准规定了硝酸铑溶液、硫酸铑溶液中砷含量的测定方法。<br />本标准适用于硝酸铑溶液、硫酸铑溶液中砷含量的测定。测定范围：0.000050%～0.0010%。...
2024-03-15 03:30:01浏览：25
查看 -
-
-
KS M ISO 2483-2017 Sodium chloride for industrial use. Determination of the loss of mass at 110 degrees C
...
2024-03-14 19:30:02浏览：15
查看 -
ISO/TS 22456-2021 保健产品的灭菌--微生物学方法--生物制剂和组织基产品的生物负荷测定和无菌性试验指南 Sterilization of healthcare products — Microbiological methods— Guidance on conducting bioburden determinations and tests of sterility for biologics and tissue-based products
1.1 Inclusions<br />1.1.1 This document provides guidance for bioburden testing and tests of sterility for biologics and tissue-based products, where this testing is in relation to product sterilization.<br />NOTE This document is intended to be used in conjunction with ISO 11737-1 and ISO 11737-2. 1.1.2 Guidance in this document can be applicable to biologics and tissue-based products that are not sterile but are microbiologically controlled.<br />1.2 Exclusions 1.2.1 This document does not include guidance for validation requirements for testing, eliminating and/or inactivating viruses and prions or sterilization of tissue-based products.<br />NOTE Guidance on inactivating viruses and prions can be found in ISO 22442-3.<br />1.2.2 This document does not include guidance for containment or biosafety issues for biologics and tissue-based products.<br />1.2.3 This document does not include guidance for testing biologics and tissue-based products for specific infectious agents as listed in relevant national or international guidance (e.g. viruses/protozoa/ parasites, intracellular microorganisms or mycoplasma screening).<br />1.2.4 This document does not include guidance for the acceptance criteria for biologics and tissue- based products during procurement or tissue to be processed and/or released for use. 1.2.5 This document does not include guidance for the testing associated with procurement and screening of biologics and tissue-based products....
2024-03-14 15:15:02浏览：33
查看 -
KS K0731-2017 Test method for the determination of extractable heavy metals in textiles
...
2024-03-14 13:45:01浏览：21
查看 -
-
-
ISO 10471-2018 玻璃增强热固性塑料(GRP)管--湿条件下长期极限弯曲应变和长期极限相对环挠度的测定 Glass-reinforced thermosetting plastics (GRP) pipes — Determination of the long-term ultimate bending strain and the long-term ultimate relative ring deflection under wet conditions
This document specifies a method for determining by extrapolation the long-term ultimate ring bending strain and the calculation of the long-term ultimate relative ring deflection of glass-reinforced thermosetting plastics (GRP) pipes, under wet conditions.<br />Two methods of loading are given, one using plates the other beam bars....
2024-03-14 05:15:01浏览：17
查看 -
ISO 9046-2021 建筑和土木工程密封胶--在恒温下的粘合/凝聚性能的测定 Building and civil engineering sealants — Determination of adhesion/cohesion properties at constant temperature
The document specifies a method for the determination of the adhesion/cohesion properties of sealants with predominantly plastic behaviour which are used in buildings and civil engineering works....
2024-03-14 04:45:01浏览：15
查看 -
-
JB/T 8063.8-2011 粉末冶金材料与制品化学分析方法 第8部分：铜基材料与制品中铁的测定(EDTA-H<sub>2</sub>O<sub>2</sub>光度法) Methods for chemical analysis of powder metallurgy materials and products—Part 8: The EDTA-H<sub>2</sub>O<sub>2</sub&
本标准规定了测定范围为＜4%、用 EDTA-H<sub>2</sub>O<sub>2</sub> 光度法测定粉末冶金铜基材料与制品中的铁含量的方法、试剂、分析步聚、分析结果的计算、允许差以及试验报告。<br />本标准适用于粉末冶金铜基材料与制品中铁量的测定。...
2024-03-14 01:45:01浏览：15
查看 -
YY/T 0642-2014 超声声场特性 确定医用诊断超声场热和机械指数的试验方法 Ultrasonics--Field characterization--Test methods for the determination of thermal and mechanical indices related to medical diagnostic ultrasonic fields
本标准适用于医用诊断超声场。<br />本标准规定了：<br />--有关诊断超声场热和非热的参数；<br />--理论组织-等效模型中，由超声吸收引起的，与温升相关的辐照参数的确定方法；<br />--适用于特定非热效应的辐照参数的确定方法。<br />注1:在本标准第3章，特定参数定义中采用国际单位制(根据ISO/IEC导则，第2部分，第5版的附录I b)，例如声束面积和声强，在实践中可能采用其十进制的倍数或约数更加便利，在使用和计算数值时，使用者必须将十进制的前缀和单位结合。例如，声束面积可以用cm<sup>2</sup>为单位，声强用W/cm<sup>2</sup>或mW/cm<sup>2</sup>为单位。<br />注2:在下文的计算中，对Ml的范围从0.25MHz～15MHz，TI的范围从0.5MHz～15MHz。<br />注3:热指数的稳态估计，基于在符合"0.3dBcm<sup>-1</sup>MHz<sup>-1</sup>衰减模型的匀质组织中"[1]产生1℃组织温升所需要的声输出功率，可能不适用于辐射力成像或采用足够长的持续时间的脉冲或脉冲串等类似技术所造成的有效瞬态温升。...
2024-03-06 07:45:01浏览：14
查看 -
-
