GB/T 6418-1993
Replaced
GB/T 38265.8-2022
Active
National standards
GB/T 38265.8-2022 Test methods for soft soldering fluxes—Part 8:Determination of zinc content
GB/T 38265.8-2022 Test methods for soft soldering fluxes—Part 8:Determination of zinc content
Basic Information
Standard Code:
GB/T 38265.8-2022
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Welding and cutting
ICS Name:
\nBrazing and low-temperature welding
Publish Date:
2022-10-12
Implement Date:
2022-10-12
Pages:
9 pages
Scope
This document specifies the method for determining the zinc content in soldering fluxes, including the principle, reagents, instruments and equipment, test steps, test data processing, precision, and test reports, etc.
This document is applicable to water-soluble soldering fluxes defined in GB/T 15829 as Type 3 and with a zinc content (calculated as zinc chloride) of approximately 25%.
Development Information
Same series standard
GB/T 38265.3-2022 Test methods for soft soldering fluxes—Part 3:Determination of acid value—Potentiometric and visual titration methods
GB/T 38265.6-2022 Test methods for soft soldering fluxes—Part 6: Determination of halide(excluding fluoride) content
GB/T 38265.9-2022 Test methods for soft soldering fluxes—Part 9:Determination of ammonia content
GB/T 38265.17-2022 Test methods for soft soldering fluxes—Part 17:Surface insulation resistance comb test and electrochemical migration test of flux residues
Referenced Standards
GB/T 658-1988 Chemical reagent—Ammonium chloride
GB/T 658-2006 Chemical reagent—Ammonium chloride
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
GB/T 15347-1994 Chemical reagent L Ascorbic acid
GB/T 15347-2015 Chemical reagent—L(+)-Ascorbic acid
Adopt standards
ISO 9455-8:1991
Related Standards
GB/T 10046-2000
Replaced
GB/T 10046-2000 Silver filler metals for brazing
GB/T 8012-2000
Replaced
GB/T 8012-2000 Casting tin-lead solders
GB/T 3131-2001
Replaced
GB/T 3131-2001 Tin-lead solder
GB/T 19418-2003
Active
GB/T 19418-2003 Arc-welded joints in steel—Guidance on quality levels for imperfections
GB/T 20422-2006
Replaced