GB/T 32786-2016 in English
VALIDPig iron contenting nickel―Determination of iron content―Dichromate titration method
- Issued on:2016-06-14
- Implemented on:2017-05-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$97.00
《GB/T 32786-2016含镍生铁 铁含量的测定 重铬酸钾滴定法》由TC318（全国生铁及铁合金标准化技术委员会）归口，主管部门为中国钢铁工业协会。
Introduction
GB/T 32786-2016 Standard Overview
This standard specifies the method for determining the iron content in nickel-containing pig iron by potassium dichromate titration, which is applicable to the determination of iron content in the range of 65.00% to 90.00% by mass.
Background of Standard Formulation
With the widespread application of nickel-containing pig iron in the metallurgical industry, it is particularly important to accurately determine its iron content. This standard is based on the principles of chemical analysis methods, combined with actual application scenarios, and released after multiple experimental verifications and expert reviews, aiming to provide unified technical specifications for the industry.
Technical Evolution Analysis
As a classic redox titration technique, potassium dichromate titration has undergone many years of technical optimization. Based on the original method, this standard further improves the sample decomposition, reduction and titration steps to ensure the accuracy and reliability of the measurement results.
Comparison of standard frameworks
| Standard dimensions | GB/T 32786-2016 | Comparative analysis |
|---|---|---|
| Scope of application | Determination of iron content in nickel-containing pig iron | Covering mass fraction 65.00%~90.00% |
| Determination principle | Potassium dichromate titration method | Combination of chemical reduction and oxidation reactions |
| Reagent requirements | A variety of high-purity reagents, including potassium dichromate standard titration solution, etc. | Ensure measurement accuracy and traceability |
Implementation recommendations
Case analysis: Laboratory operation process optimization
Practical application: A steel company laboratory used this standard to determine the iron content in nickel-containing pig iron and found that the blank test link in the titration process had a great influence on the result. By optimizing the reagent preparation and titration conditions, the measurement accuracy was significantly improved.
Operational recommendations:
- Strictly control the sample decomposition steps to ensure the complete dissolution of iron
- Prepare standard titration solutions accurately and calibrate instruments regularly
- Strengthen the monitoring of blank tests to reduce human errors
Loading PDF document...
Error loading PDF. Please make sure the file is valid and try again.
We also recommend
-
GB/T 5059.3-2014 in English
Ferromolybdenum�Determination of copper content�The flame atomic absorption spectrometric method
2014-06-09 -
GB/T 41497-2022 in English
Ferrovanadium—Determination of vanadium,silicon,phosphorus,manganese,aluminum,iron content—Wavelength dispersive X-ray fluorescence spectrometry
2022-04-15 -
GB/T 7731.10-2021 in English
Ferrotungsten—Determination of carbon content—Infrared absorption method
2021-08-20
