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Database: 189759 (19 Oct 2025)
GB/T 223.78-2000 English PDF
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GB/T 223.78-2000
: Methods for chemical analysis of iron, steel and alloy. Curcumin spectrophotometric method for the determination of boron content
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GB/T 223.78-2000
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Methods for chemical analysis of iron, steel and alloy. Curcumin spectrophotometric method for the determination of boron content
GB/T 223.78-2000
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Basic data
Standard ID
GB/T 223.78-2000 (GB/T223.78-2000)
Description (Translated English)
Methods for chemical analysis of iron, steel and alloy. Curcumin spectrophotometric method for the determination of boron content
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H11
Classification of International Standard
77.080
Word Count Estimation
14,170
Date of Issue
2000-10-25
Date of Implementation
2001-09-01
Older Standard (superseded by this standard)
GB/T 223.6-1981
Adopted Standard
ISO 10153-1997; IDT
Issuing agency(ies)
State Quality and Technical Supervision
Summary
This standard specifies: spectrophotometric determination of boron in steel curcumin directly. This standard applies to: steel 0. 0005% (m/m) ~ O. 012% (m/m) and non- alloy steel 0. 0001% (m/m) ~ 0. 0005% (m/m) of boron content determined.