ISO 2222-1972 标准详情
- 标准号:ISO 2222-1972
- 中文标题:工业用甲醛溶液:无机硫酸盐极限测试
- 英文标题:formaldehyde solutions for industrial use; limit test for inorganic sulphates
- 标准类别:国际标准化组织标准ISO
- 发布日期:1972-12-01
The specified method is applicable when the required limit is not greater than 0, 1 % and not less than 0, 001 %. If the required limit lies outside that range, the mass of the test portion should be changed. The principle ot the test consists in com
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