YS/T 1057.4-2022Methods for chemical analysis of cobalt tetroxide - Part 4: Determination of potassium and sodium content - flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry (English PDF)
四氧化三钴化学分析方法 第4部分：钾和钠含量的测定 火焰原子吸收光谱法和电感耦合等离子体 原子发射光谱法
This is a limited preview
Buy now to download the full PDF (14 pages)
Need quotation for your management?
Get a formal quotation for YS/T 1057.4-2022 in 30 minutes.
Issued by
Ministry of Industry and Information Technology
Level / Type
National · Recommended
Issue date
September 30, 2022
Implementation date
April 1, 2023
Scope
YS/T 1057.4-2022 is the English-translated version of 四氧化三钴化学分析方法 第4部分：钾和钠含量的测定 火焰原子吸收光谱法和电感耦合等离子体 原子发射光谱法.
YS/T 1057.4-2022 — This standard specifies the method for the determination of potassium and sodium content in cobalt tetroxide. This document is applicable to the determination of potassium and sodium content in cobalt tetroxide.
Found what you need?
Document preview — YS/T 1057.4-2022
National Standard of the People's Republic of China
- Classification
- H 13
Issued by: Ministry of Industry and Information Technology
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies the method for the determination of potassium and sodium content in cobalt tetroxide. This document is applicable to the determination of potassium and sodium content in cobalt tetroxide. Method 1 Measuring range: potassium: 0.001% to 0.27%, sodium
Document data
Chinese classification (CCS): H13.
Estimated length of the Chinese original: 21,210 words.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 14 pages — is available in the English PDF.
How to Download YS/T 1057.4-2022
- 1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
- 2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
- 3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
- 4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.
Related Standards
YS/T 1057.6-2025 — Chemical Analysis Methods for Cobalt Tetraoxide - Part 6: Determination of Copper and Zinc Impurity Content - Inductively-Coupled Plasma Atomic Emission Spectrometric Method
YS/T 1115.10-2026 — Chemical analysis methods of copper, lead and zinc ores and tailings - Part 10: Determination of gold, silver, molybdenum, arsenic, tungsten, bismuth, gallium, indium, thallium, selenium, tellurium and germanium contents - Inductively coupled plasma mass spectrometry
YS/T 1115.7-2026 — Methods for chemical analysis of copper, lead, zinc ores and tailings - Part 7: Determination of molybdenum content - Thiocyanate spectrophotometric method
Secure payment via Stripe
Payments accepted
YS/T 1057.4-2022
$300.00