GB/T 12690.6-1990
GB · 1990-12-30

Praseodymium oxide--Determination of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide and yttrium oxide contents--Emission spectrographic method

CF Replaced ICS 77.120.70

1Key Takeaways

This standard specifies the determination method of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide and yttrium oxide content in praseodymium oxide. This standard is applicable to the simultaneous determination of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide and yttrium oxide in praseod…

2Scope / Description

This standard specifies the determination method of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide and yttrium oxide content in praseodymium oxide. This standard is applicable to the simultaneous determination of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide and yttrium oxide in praseodymium oxide (98%-99.9%). The measurement range is shown in Table 1.

3Version History

GB/T 12690.6-1990 1990-12-30
GB/T 12690.6-2003 newer 2003-11-18
GB/T 12690.6-2017 newer 2017-10-14

5Citation Network

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6Frequently Asked Questions

What is GB/T 12690.6-1990?
GB/T 12690.6-1990 — Praseodymium oxide--Determination of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide and yttrium oxide contents--Emission spectrographic method is an international standard developed by General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China. This standard specifies the determination method of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide and yttrium oxide content in praseodymium oxide. This standard is applicable to the simultaneous determination of lanthanum oxide,...
What does GB/T 12690.6-1990 cover?
This standard covers: This standard specifies the determination method of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide and yttrium oxide content in praseodymium oxide. This standard is applicable to the simultaneous determination of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide and...
Who should use this standard?
This standard is intended for organizations, professionals, and stakeholders involved in various industries and sectors. It is applicable to manufacturers, service providers, regulatory bodies, and certification organizations.
What is the latest version of GB/T 12690.6-1990?
The current published version is GB/T 12690.6-1990, published on 1990-12-30. Always check for amendments or pending revisions.
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