- 您的位置:
- 中国标准在线服务网 >>
- 全部标准分类 >>
- 国际标准 >>
- 71.060.50 >>
- ISO 1694:1976 EN df8b2dbd
【国际标准】 Cryolite, natural and artificial — Determination of iron content — 1,10- Phenanthroline photometric method
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>>
标准简介
适用范围:
暂无
标准号:
ISO 1694:1976 EN
标准名称:
Cryolite, natural and artificial — Determination of iron content — 1,10- Phenanthroline photometric method
英文名称:
Cryolite, natural and artificial — Determination of iron content — 1,10- Phenanthroline photometric method标准状态:
现行-
发布日期:
1976-09-01 -
实施日期:
出版语种:
EN
- 推荐标准
- 国家标准计划
- ISO/TR 4277:2009 EN 6c6bde5b Cryolite, natural and artificial — Conventional test for evaluation of free fluorides content
- ISO 6920:1984 EN f90b237e Crude sodium borates for industrial use — Determination of total and alkali-soluble calcium and magnesium contents — Titrimetric method
- ISO 6918:1984 EN 06948b08 Crude sodium borates for industrial use — Determination of total and alkali-soluble calcium and magnesium contents — Flame atomic absorption spectrometric method
- ISO 5935:1984 EN 0a873c99 Crude sodium borates for industrial use — Determination of total and alkali-soluble silica contents — Molybdosilicate spectrometric method
- ISO 6374:1981 EN a945fc9b Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of phosphorus content — Atomic absorption spectrometric method after extraction
- ISO 5937:1980 EN f8b8eeb3 Sodium perborates for industrial use — Determination of degree of attrition
- ISO 5936:1980 EN e7438d51 Crude sodium borates for industrial use — Determination of carbonate content — Gravimetric method
- ISO 5934:1980 EN 19aecac0 Crude sodium borates for industrial use — Determination of alkali-soluble copper and manganese contents — Zinc bis(dibenzyldithiocarbamate) and formaldehyde oxime photometric methods
- ISO 5442:1980 EN 4a45a1b9 Sodium hexafluorosilicate for industrial use — Determination of sulphur compounds content — Iodometric method after reduction
- ISO 5915:1980 EN a43be95a Sodium hexafluorosilicate for industrial use — Determination of particle size distribution — Sieving method
- ISO 6229:1980 EN 2e28114c Sodium hexafluorosilicate for industrial use — Determination of free silica content — Gravimetric method
- ISO 5994:1979 EN 8ef9c831 Sodium sulphate for industrial use — Determination of calcium content — Flame atomic absorption spectrometric method
- ISO 5938:1979 EN 763ae7c8 Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of sulphur content — X-ray fluorescence spectrometric method
- ISO 5930:1979 EN 60c03462 Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of phosphorus content — Reduced molybdophosphate photometric method
- ISO 3358:1979 EN 120751c2 Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Separation by column chromatography and determination of the different phosphate forms