聚甲醛单体含量检测标准
CNAS认证
CMA认证
ISO 1391-5:1981
Paraformaldehyde for industrial use — Methods of test — Determination of aldehyde content — Titrimetric method
Paraformaldehyde for industrial use — Methods of test — Determination of aldehyde content — Titrimetric method
- 【发布单位或类别】 IX-ISO国际标准化组织
- 【发布日期】1981-05-01
- 【CCS分类】
- 【ICS分类】71.080.80醛和酮
ISO 1391-3:1976
Paraformaldehyde for industrial use — Methods of test — Part 3: Determination of iron content — 2,2'- Bipyridyl photometric method
Paraformaldehyde for industrial use — Methods of test — Part 3: Determination of iron content — 2,2'- Bipyridyl photometric method
- 【发布单位或类别】 IX-ISO国际标准化组织
- 【发布日期】1976-12-01
- 【CCS分类】
- 【ICS分类】71.080.80醛和酮