JPS5345282A - Preparation of high purity crude grain w powders for gas analysis - Google Patents

Preparation of high purity crude grain w powders for gas analysis

Info

Publication number
JPS5345282A
JPS5345282A JP11897176A JP11897176A JPS5345282A JP S5345282 A JPS5345282 A JP S5345282A JP 11897176 A JP11897176 A JP 11897176A JP 11897176 A JP11897176 A JP 11897176A JP S5345282 A JPS5345282 A JP S5345282A
Authority
JP
Japan
Prior art keywords
powders
preparation
high purity
gas analysis
purity crude
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP11897176A
Other languages
Japanese (ja)
Other versions
JPS563402B2 (en
Inventor
Shiichiro Yoshizaki
Hideo Koizumi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP11897176A priority Critical patent/JPS5345282A/en
Publication of JPS5345282A publication Critical patent/JPS5345282A/en
Publication of JPS563402B2 publication Critical patent/JPS563402B2/ja
Granted legal-status Critical Current

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  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)

Abstract

PURPOSE: To make tungsten powder useful as combustion aids for C, S analysis of especially steel by effecting pre-calcination after press molding and calcination, sieving after crushing at specific temperatures, respectively.
COPYRIGHT: (C)1978,JPO&Japio
JP11897176A 1976-10-05 1976-10-05 Preparation of high purity crude grain w powders for gas analysis Granted JPS5345282A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11897176A JPS5345282A (en) 1976-10-05 1976-10-05 Preparation of high purity crude grain w powders for gas analysis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11897176A JPS5345282A (en) 1976-10-05 1976-10-05 Preparation of high purity crude grain w powders for gas analysis

Publications (2)

Publication Number Publication Date
JPS5345282A true JPS5345282A (en) 1978-04-22
JPS563402B2 JPS563402B2 (en) 1981-01-24

Family

ID=14749805

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11897176A Granted JPS5345282A (en) 1976-10-05 1976-10-05 Preparation of high purity crude grain w powders for gas analysis

Country Status (1)

Country Link
JP (1) JPS5345282A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0279454A2 (en) * 1987-02-20 1988-08-24 Horiba, Ltd. Assistant combustion agent for the use in a high-frequency combustion furnace

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0279454A2 (en) * 1987-02-20 1988-08-24 Horiba, Ltd. Assistant combustion agent for the use in a high-frequency combustion furnace

Also Published As

Publication number Publication date
JPS563402B2 (en) 1981-01-24

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