
【国际标准】 Tea — Determination of alkalinity of water-soluble ash
本网站 发布时间:
2024-05-11
开通会员免费在线看70000余条国内标准,赠送文本下载次数,单本最低仅合13.3元!还可享标准出版进度查询、定制跟踪推送、标准查新等超多特权!  
查看详情>>

适用范围:
暂无
标准号:
ISO 1578:1975 EN
标准名称:
Tea — Determination of alkalinity of water-soluble ash
英文名称:
Tea — Determination of alkalinity of water-soluble ash标准状态:
现行-
发布日期:
1975-12-01 -
实施日期:
出版语种:
EN
- 其它标准
- 上一篇: ISO 15788-2:2003 EN 5d85a191 Animal and vegetable fats and oils — Determination of stigmastadienes in vegetable oils — Part 2: Method using high-performance liquid chromatography (HPLC)
- 下一篇: ISO 15790:2004 EN 53f8bed1 Graphic technology and photography — Certified reference materials for reflection and transmission metrology — Documentation and procedures for use, including determination of combined standard uncertainty
- 推荐标准
- ISO 10727:2002 EN 89b36000 Tea and instant tea in solid form — Determination of caffeine content — Method using high-performance liquid chromatography
- ISO 11286:2004 EN a1b0206d Tea — Classification of grades by particle size analysis
- ISO 11287:2011 EN 3cea25ff Green tea — Definition and basic requirements
- ISO 7513:1990/Amd 1:2012 EN 5e02605c Instant tea in solid form — Determination of moisture content (loss in mass at 103 degrees C) — Amendment 1
- ISO 9884-2:1999 EN a79493b9 Tea sacks — Specification — Part 2: Performance specification for sacks for palletized and containerized transport of tea
- ISO 3720:2011 EN 0d3ef58c Black tea — Definition and basic requirements
- ISO 5642:2024 EN 2ceccd0e Tea polyphenol extracts — Definition and basic requirements
- ISO 18449:2021 EN b3045042 Green tea — Vocabulary
- ISO 20716:2022 EN 901537cb Oolong tea — Definition and basic requirements
- ISO 14502-1:2005 EN c007feea Determination of substances characteristic of green and black tea — Part 1: Content of total polyphenols in tea — Colorimetric method using Folin-Ciocalteu reagent
- ISO 14502-2:2005 EN f357d188 Determination of substances characteristic of green and black tea — Part 2: Content of catechins in green tea — Method using high-performance liquid chromatography
- ISO 1572:1980 EN 8d9f2411 Tea — Preparation of ground sample of known dry matter content
- ISO 1573:1980 EN 8f217126 Tea — Determination of loss in mass at 103 degrees C
- ISO 1575:1987 EN 743976e3 Tea — Determination of total ash
- ISO 1577:1987 EN 1ad21626 Tea — Determination of acid-insoluble ash