GB/T 1653-1997
Replaced
YS/T 629.3-2007
Active
Industry standards-Non-ferrous metals
YS/T 629.3-2007 Chemical analysis methods of high purity alumina—Determination of sodium oxide—Flame atomic absorption spectrophotometric method
YS/T 629.3-2007 Chemical analysis methods of high purity alumina—Determination of sodium oxide—Flame atomic absorption spectrophotometric method
Basic Information
Standard Code:
YS/T 629.3-2007
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nTest methods for the physical properties of metals
ICS Name:
Other chemical products
Publish Date:
2007-04-13
Implement Date:
2007-10-01
Pages:
6 pages
Scope
This section specifies the method for determining the content of sodium oxide in high-purity alumina. This section is applicable to the determination of the content of sodium oxide in high-purity alumina. The measurement range is 0.001% to 0.010%.
Development Information
Same series standard
YS/T 629.1-2007 Chemical analysis methods of high purity alumina—Determination of silicon dioxide—Molybdenum blue photometric method extracted with n-Amyl alcohol
YS/T 629.2-2007 Chemical analysis methods of high purity alumina Determination of ferric oxide Orthopenanthroline photometric method extracted with Methyl-iso-butyl ketone
YS/T 629.4-2007 Chemical analysis methods of high purity alumina—Determination of potassium oxide—Flame atomic absorption spectrophotometric method
YS/T 629.5-2007 Chemical analysis methods of high purity alumina—Determination of calcium oxide and magnesium oxide—Inductively coupled plasma atomic emission spectrometric method
Related Standards
LY/T 1645-2005
Active
LY/T 1645-2005 Domestic camphor
WB/T 1023-2005
Active
WB/T 1023-2005 Magnesite cement material modifiers
GB/T 20621-2006
Active
GB/T 20621-2006 Generator of complex chlorine dioxide by chemical reaction
GB/T 20622-2006
Active
GB/T 20622-2006 Stable isotope 15N inorganic labelled compound
GB/T 20783-2006
Replaced