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ISO 21820:2021
Fine ceramics (advanced ceramics, advanced technical ceramics) — Ultraviolet photoluminescence image test method for analysing polytypes of boron- and nitrogen-doped SiC crystals
现行
ICS 81 玻璃和陶瓷工业
2021
27 页
¥2
ISO 21821:2019
Fine ceramics (advanced ceramics, advanced technical ceramics) — Determination of densification properties of ceramic powders on natural sintering
现行
ICS 81 玻璃和陶瓷工业
2019
11 页
¥1
ISO 21822:2019
Fine ceramics (advanced ceramics, advanced technical ceramics) — Measurement of iso-electric point of ceramic powder
现行
ICS 81 玻璃和陶瓷工业
2019
7 页
¥1
ISO 21826-1:2022
Iron ores — Determination of total iron content using the EDTA photometric titration method — Part 1: Microwave digestion method
现行
ICS 73 采矿和矿产品
2022
26 页
¥2
ISO 21832:2018
Workplace air — Metals and metalloids in airborne particles — Requirements for evaluation of measuring procedures
现行
ICS 13 环保、保健和安全
2018
37 页
¥2
ISO 21843:2023
Determination of the resistance to hydrocarbon pool fires of fire protection materials and systems for pressure vessels
现行
ICS 13 环保、保健和安全
2023
35 页
¥2
ISO 21844:2018
Cellular plastic — Cellulose foam thermal insulation — Material specification
现行
ICS 83 橡胶和塑料工业
2018
6 页
¥1
ISO 21846:2018
Vegetable fats and oils — Determination of composition of triacylglycerols and composition and content of diacylglycerols by capillary gas chromatography
现行
ICS 67 食品技术
2018
13 页
¥1
ISO 21847-1:2007
Nuclear fuel technology — Alpha spectrometry — Part 1: Determination of neptunium in uranium and its compounds
现行
ICS 27 能源和热传导工程
2007
5 页
¥1
ISO 21847-2:2007
Nuclear fuel technology — Alpha spectrometry — Part 2: Determination of plutonium in uranium and its compounds
现行
ICS 27 能源和热传导工程
2007
4 页
¥1
ISO 21847-3:2007
Nuclear fuel technology — Alpha spectrometry — Part 3: Determination of uranium 232 in uranium and its compounds
现行
ICS 27 能源和热传导工程
2007
4 页
¥1
ISO 21849:2022
Aircraft and space — Industrial data — Product identification and traceability
现行
ICS 49 航空器和航天器工程
2022
46 页
¥3
ISO 21850-1:2020
Dentistry — Materials for dental instruments — Part 1: Stainless steel
现行
ICS 11 医药卫生技术
2020
16 页
¥1
ISO 21851:2020
Marine technology — Ocean observation systems — Design criteria of ocean hydro-meteorological observation systems reuse and interaction
现行
ICS 47 造船和海上构筑物
2020
24 页
¥2
ISO 21853:2020
Kite boarding — Release system — Safety requirements and test methods
现行
ICS 97 家用和商用设备、文娱、体育
2020
16 页
¥1
ISO 21856:2022
Assistive products — General requirements and test methods
现行
ICS 11 医药卫生技术
2022
54 页
¥3
ISO 21857:2021
Petroleum, petrochemical and natural gas industries — Prevention of corrosion on pipeline systems influenced by stray currents
现行
ICS 75 石油及相关技术
2021
67 页
¥5
ISO 21859:2019
Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for plasma resistance of ceramic components in semiconductor manufacturing equipment
现行
ICS 81 玻璃和陶瓷工业
2019
4 页
¥1
ISO 21860:2020
Health Informatics — Reference standards portfolio (RSP) — Clinical imaging
现行
ICS 35 信息技术、办公机械
2020
51 页
¥3
ISO 21863:2020
Water quality — Determination of alkylmercury compounds in water — Method using gas chromatography-mass spectrometry (GC-MS) after phenylation and solvent extraction
现行
ICS 13 环保、保健和安全
2020
21 页
¥2