GB/T 3656-1983
Replaced
GB/T 47081-2026
Active
National standards
GB/T 47081-2026 Determination of iron,aluminum and calcium of silicon nitride powder—Inductively coupled plasma atomic emission spectrometry
GB/T 47081-2026 Determination of iron,aluminum and calcium of silicon nitride powder—Inductively coupled plasma atomic emission spectrometry
Price:
$ 33.00
Basic Information
Standard Code:
GB/T 47081-2026
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analysis methods for semi-metallic and semiconductor materials
ICS Name:
\nMetal material testing
Publish Date:
2026-01-28
Implement Date:
2026-08-01
Pages:
12 pages
Scope
This document describes the inductively coupled plasma emission spectrometry method for determining the iron, aluminum, and calcium content in silicon nitride powders.
This document is suitable for determining the iron, aluminum, and calcium content in silicon nitride powders, with a measurement range of 0.001 mg/g to 4.00 mg/g.
Development Information
Referenced Standards
GB/T 8170-1987 Rules for rounding off of numberical values
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 11446.1-2013 Electronic grade water
GB/T 14666-1993 Terms for analytical chemistry
GB/T 14666-2003 Terms for analytical chemistry
GB/T 14666-2025 Terms for analytical chemistry
Related Standards
GB/T 3657-1983
Replaced
GB/T 3657-1983 Measurement method of direct magnetic properties of soft magnetic alloys
GB/T 3849-1983
Replaced
GB/T 3849-1983 Hardmetals—Rockwell hardness (scale A) test method
GB/T 3850-1983
Replaced
GB/T 3850-1983 Impermeable sintered metal materials and hardmetals—determination of density
GB/T 3851-1983
Replaced
GB/T 3851-1983 Hardmetals—determination of transverse rupture strength
GB/T 4326-1984
Replaced