GB/T 12005.7-1989
GB · 1989-12-25

Determination for particle size of powder polyacrylamide

CF Replaced ICS 83.080

1Key Takeaways

This standard specifies the method for determining the particle size of powdered polyacrylamide by sieve method. This standard applies to the determination of the particle size of various ionic powdered polyacrylamide produced by different methods.

2Expert Interpretation

A detailed interpretation of the method for determining the particle size of powdered polyacrylamide specified in the National Standard of the People's Republic of China GB 12005.7-89, including technical background, operating steps and implementation recommendations.

In-depth interpretation of the National Standard of the People's Republic of China GB 12005.7-89 Powdered Polyacrylamide Particle Size Determination Method

Standard Dimensions Technical Requirements Scope of Application Implementation Recommendations
Method Summary Dry Sieving Method for Particle Size Determination Applicable to various ionic powdered polyacrylamide Standardized test equipment is recommended
Instrument Requirements Sieve vibrator, test sieve, pan balance - Sieve vibrator speed> 930r/min - Test sieve complies with GB 6003 Calibrate the instrument regularly to ensure accuracy
Operation steps Weigh the sample, shake the sieve, collect the retained and sieved materials - Weigh 3kg sample- Shake the sieve for 20 minutes It is recommended to conduct parallel tests to ensure accuracy

Case study: Precautions in practical application

Environmental control:Relative humidity must be less than 70%, and there is no special requirement for temperature.

Sample preparation:Weigh 400-500g sample and ensure dry and airtight storage.

Data processing:Calculate the particle size percentage and perform error analysis to ensure the accuracy of the results.

Implementation recommendations

  • Standardized operating procedure training
  • Equipped with standard instruments and equipment
  • Establish a data recording and traceability system
  • Perform regular method validation and optimization

3Version History

GB/T 12005.7-1989 1989-12-25

4Standard Metadata

Standard Number
GB/T 12005.7-1989
Status
Replaced
Publisher
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Type
CF
Publication Date
1989-12-25
Implementation
1990-11-01
ICS Classification
83.080 (Plastics) 

5Citation Network

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Cite this standard
1
Referenced herein
Referenced by GB/T 12005.7-1989
GB 6003

6Frequently Asked Questions

What is GB/T 12005.7-1989?
GB/T 12005.7-1989 — Determination for particle size of powder polyacrylamide 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 method for determining the particle size of powdered polyacrylamide by sieve method. This standard applies to the determination of the particle size of various ionic powdered polyacrylamide produced by different methods.
What does GB/T 12005.7-1989 cover?
This standard covers: This standard specifies the method for determining the particle size of powdered polyacrylamide by sieve method. This standard applies to the determination of the particle size of various ionic powdered polyacrylamide produced by different methods.
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 12005.7-1989?
The current published version is GB/T 12005.7-1989, published on 1989-12-25. Always check for amendments or pending revisions.
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