GB/T 21836-2008 Replaced National standards

GB/T 21836-2008 Manganous manganic oxide for soft magnetic ferrites

Publish Date: 2008-05-13 Implement Date: 2008-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 21836-2008

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Manganese ore

ICS Name: Manganese ore

Publish Date: 2008-05-13

Implement Date: 2008-11-01

Pages: 20 pages

Scope

This standard specifies the product classification, technical requirements, test methods, inspection rules, packaging, storage and transportation, marking, and quality certificates for manganese trioxide used in soft magnetic ferrites. This standard applies to manganese trioxide used in soft magnetic ferrites, which is produced from electrolytic manganese or manganese ore as raw materials. This product is mainly used in the electronics industry for manufacturing soft magnetic ferrite cores.

Development Information

Word Count: 26 Thousand words Pages: 20 pages

Superseded by the following standards

GB/T 21836-2024 Manganous manganic oxide

Referenced Standards

GB/T 5314-1985 Powders for powder metallurgical purposes—Sampling GB/T 1479-1984 Metallic powders—Determination of apparent density—Part 1:Funnel method GB/T 1479.1-2011 Metallic powders—Determination of apparent density—Part 1:Funnal method GB/T 1479.2-2011 Metallic powders—Determination of apparent density—Part 2:Scott volumeter method GB/T 1479.3-2017 Metallic powders—Determination of apparent density—Part 3:Oscillating funnel method GB/T 8654.10-1988 Methods for chemical analysis of manganese metal The infrared absorption method for the determination of sulfur content GB/T 13390-1992 Metallic powder—Determination of the specific surface area—Method of nitrogen adsorption GB/T 13390-2008 Metallic powder—Determination of the specific surface area—Method of nitrogen adsorption

Related Standards

GB/T 1506-2002 Replaced

GB/T 1506-2002 Manganese ores—Determination of manganese content—Potentiometric method and ammonium iron (II) sulphate titrimetric method

Publish Date: 2002-09-11

GB/T 1508-2002 Active

GB/T 1508-2002 Manganese ores—Determination of total iron content—Potassium dichromate titrimetric method and 1,10-phenanthroline spectrophotometric method

Publish Date: 2002-09-11

GB/T 1515-2002 Active

GB/T 1515-2002 Manganese ores—Determination of phosphorus content—Phosphomolybdenum blue spectrophotometric method

Publish Date: 2002-09-11

GB/T 1510-2006 Replaced

GB/T 1510-2006 Manganese ores—Determination of aluminium content—EDTA titrimetric method

Publish Date: 2006-03-02

GB/T 1507-2006 Active

GB/T 1507-2006 Manganese Ores—Determination of active oxygen content—Potassium dichromate titrimetric method

Publish Date: 2006-09-12

GB/T 1509-2006 Replaced

GB/T 1509-2006 Manganese ores—Determination of silicon content—Perchloric acid dehydration gravimetric method

Publish Date: 2006-09-12