JB/T 6237.9-2008 Active Industry standards-Mechanical

JB/T 6237.9-2008 Electrical contact material analysis method for silver powder - Part 9: Determination of nitrate content by benzidine colorimetric method for visual comparison. Note: This is an accepted version of English translation of the above method

Publish Date: 2008-03-12 Implement Date: 2008-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JB/T 6237.9-2008

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Electrical alloy parts

ICS Name: \nConnecting device

Publish Date: 2008-03-12

Implement Date: 2008-09-01

Pages: 4 pages

Development Information

Pages: 4 pages

Same series standard

JB/T 6237.1-2008 Electro-contact material - Silver powder - Chemical analysis methods - Part 1: Silver determination by silver chloride precipitation-Diphenylthiocarbazone spectrophotometry JB/T 6237.2-2008 Chemical Analysis Methods for Silver Powder Used in Electrical Contacts - Part 2: Determination of Copper Content by the Spectrophotometric Method of Dicyclohexylcarbonyl Diazomethane JB/T 6237.3-2008 The Chemical Analysis Method for Silver Powder Used in Electrical Contact Materials - Part 3: Spectrophotometric Method for Iron Content using o-phenanthroline JB/T 6237.4-2008 Method for chemical analysis of silver powder for electrical contact materials - Part 4: Determination of nickel by flame atomic absorption spectrometry JB/T 6237.5-2008 JBT 6237.5-2008 Silver powder for electric contact material chemical analysis method - Part 5: Flame atomic absorption spectrometry for sodium determination JB/T 6237.6-2008 Method for chemical analysis of silver powder for electrical contact materials - Part 6: Determination of magnesium content by flame atomic absorption spectrometry JB/T 6237.7-2008 JBT 6237.7-2008 Silver powder for electric contact material Chemical analysis methods Part 7: Weight method for determination of moisture content JB/T 6237.8-2008 The Chemical Analysis Method for Silver Paste Used in Electric Contact Materials - Part 8: Determination of pH Value of Silver Paste Solution JB/T 6237.10-2008 Electro-contact material silver powder chemical analysis method - Part 10: Determination of silver chloride content by weight method

Replace the following standards

JB/T 6237.11-1992 The chemical analysis method for silver powder used in electric contact using biphenylamine visual colorimetry to determine nitrate content

Related Standards

GB 13397-1992 Replaced

GB 13397-1992 Technical specification for silver-metaloxide electrical contacts by alloy internal oxidation method

Publish Date: 1992-03-15

GB/T 5586-1998 Replaced

GB/T 5586-1998 Test methods for essential porperty of electric contact material

Publish Date: 1998-01-20

GB 13140.2-1998 Replaced

GB 13140.2-1998 Connecting devices for low voltage circuits for household and similar purposes Part 2:Particular requirements for connecting devices as separate entities with screw-type clamping units

Publish Date: 1998-08-17

GB 13140.3-1998 Replaced

GB 13140.3-1998 Connecting devices for low voltage circuits for household and similar purposes Part 2:Particular requirements for connecting devices as separate entities with screwless-type clamping units

Publish Date: 1998-08-17

GB 13140.4-1998 Replaced

GB 13140.4-1998 Connecting devices for low voltage circuits for household and similar purposes Part 2:Particular requirements for connecting devices as separate entities with insulation piercing clamping units

Publish Date: 1998-08-17

GB 13140.5-1998 Replaced

GB 13140.5-1998 Connecting devices for low-voltage circuits for household and similar purposes Part 2:Particular requirements for twist-on connecting devices

Publish Date: 1998-12-21