China National Standards

 China 'YB/T 4726.4-2021 ' Industry standard english version:

　
YB
中华人民共和国行业标准
INDUSTRY STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

YB/T 4726.4-2021

Iron-containing dust sludge - Determination of silicon content - Ferrous ammonium sulfate reduction-silicon molybdenum blue spectrophotometry
含铁尘泥 硅含量的测定 硫酸亚铁铵还原-硅钼蓝分光光度法
Issued Date:2021/5/17 　 Implemented Date:2021/10/1
Issued by: 　 The Standardization Administration of the People's Republic of China
　

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GB Standard Code YB/T 4726.4-2021
Standard Category China Metallurgy Industry Standards
GB Standard English Title Iron-containing dust sludge - Determination of silicon content - Ferrous ammonium sulfate reduction-silicon molybdenum blue spectrophotometry
GB Standard Chinese Title 含铁尘泥 硅含量的测定 硫酸亚铁铵还原-硅钼蓝分光光度法
Chinese Version Price $5.00  per 1 page
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