GB/T 9288-1998
Replaced
GB/T 41404-2022
Active
National standards
GB/T 41404-2022 Determination of platinum content in platinum alloys—Spark atomic emission spectrometric method(difference method)
GB/T 41404-2022 Determination of platinum content in platinum alloys—Spark atomic emission spectrometric method(difference method)
Basic Information
Standard Code:
GB/T 41404-2022
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Decorative arts and crafts
ICS Name:
Jewelry
Publish Date:
2022-03-09
Implement Date:
2022-10-01
Pages:
11 pages
Scope
This document specifies the principle, reagents and materials, instruments, sample preparation, experimental steps, precision, and test reports for determining the platinum content in platinum alloys using spark atomic emission spectrometry (subtraction method).
This document is applicable to the determination of platinum in platinum alloys with a platinum content of 99.00% to 99.99%.
Development Information
Referenced Standards
GB/T 6379.1-2004 Accuracy(trueness and precision)of measurement methods and results—Part 1:General principles and definitions
GB/T 6379.2-2004 Accuracy(trueness and precision)of measurement methods and results—Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method
Related Standards
GB/T 17832-1999
Replaced
GB/T 17832-1999 Determination of silver in silver jewellery alloys—Volumetric (potentiometric) method using potassium bromide
GB/T 11887-2000
Replaced
GB/T 11887-2000 Jewellery－Fineness of precious metal alloys and designation
GB/T 18043-2000
Replaced
GB/T 18043-2000 Precious metal jewellery content non-damaged test method—X-ray fluorescence spectrometry
GB/T 18303-2001
Replaced
GB/T 18303-2001 Color grading of polished diamond by visual matching
GB/T 11886-2001
Replaced