GB/T 13840-1992
Abolished
GB/T 15076.4-2020
Active
National standards
GB/T 15076.4-2020 Methods for chemical analysis of tantalum and niobium—Part 4:Determination of iron content—1,10-Phenanthroline spectrophotometry
GB/T 15076.4-2020 Methods for chemical analysis of tantalum and niobium—Part 4:Determination of iron content—1,10-Phenanthroline spectrophotometry
Price:
$ 42
Basic Information
Standard Code:
GB/T 15076.4-2020
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analysis methods for rare metals and their alloys
ICS Name:
Other non-ferrous metals and their alloys
Publish Date:
2020-03-06
Implement Date:
2021-02-01
Pages:
7 pages
Scope
This part of GB/T 15076 specifies the spectrophotometric method using 1,10-phenanthroline to determine the iron content in tantalum and niobium.
This part is applicable to the determination of iron content in tantalum, niobium, and their hydroxides and oxides. The determination range is: >0.020% to 0.50%.
Development Information
Same series standard
GB/T 15076.6-2020 Methods for chemical analysis of tantalum and niobium—Part 6:Determination of silicon content—Inductively coupled plasma atomic emission spectrometry
GB/T 15076.7-2020 Methods for chemical analysis of tantalum and niobium—Part 7:Determination of phospherus content in niobium—4-Formyloxy-pentyl ketone-[2]extraction separation phosphomolybdate blue spectrophotometry and inductively coupled plasma atomic emission spectrometry
GB/T 15076.11-2020 Methods for chemical analysis of tantalum and niobium—Part 11:Determination of arsenic,antimony,lead,tin and bismuth contents in niobium—Direct current arc atomic emission spectrometry
Replace the following standards
Related Standards
GB/T 15677-1995
Replaced
GB/T 15677-1995 Lanthanum metal
GB/T 3136-1995
abolished_transferred
GB/T 3136-1995 Tantalum powders
GB/T 3463-1995
Abolished
GB/T 3463-1995 Tantalum wires
GB/T 3628-1995
Replaced
GB/T 3628-1995 Tantalum and tantalum alloy foils
GB/T 16476-1996
Replaced