GB1231551A - - Google Patents

Info

Publication number
GB1231551A
GB1231551A GB1231551DA GB1231551A GB 1231551 A GB1231551 A GB 1231551A GB 1231551D A GB1231551D A GB 1231551DA GB 1231551 A GB1231551 A GB 1231551A
Authority
GB
United Kingdom
Prior art keywords
distillation
vapours
lead
vacuum
obogaschenia
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.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1231551A publication Critical patent/GB1231551A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B13/00—Obtaining lead
    • C22B13/06—Refining

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB1231551D 1969-03-03 1969-03-03 Expired GB1231551A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1112669 1969-03-03

Publications (1)

Publication Number Publication Date
GB1231551A true GB1231551A (zh) 1971-05-12

Family

ID=9980517

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1231551D Expired GB1231551A (zh) 1969-03-03 1969-03-03

Country Status (1)

Country Link
GB (1) GB1231551A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111663048A (zh) * 2020-07-06 2020-09-15 昆明理工大学 一种真空蒸馏制备高纯铅的方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111663048A (zh) * 2020-07-06 2020-09-15 昆明理工大学 一种真空蒸馏制备高纯铅的方法

Similar Documents

Publication Publication Date Title
ES470776A1 (es) Procedimiento para la separacion de acido acrilico a partir de sus soluciones en fosfato de tri-n-butilo
GB1195648A (en) Isoprene Purification Process
GB1231551A (zh)
GB1058151A (en) Improvements in or relating to drying
GB1231127A (zh)
GB1008814A (en) Improvements relating to freeze drying
ES430654A1 (es) Procedimiento para afinar cadmio bruto.
GB1261565A (en) Cracking dicyclopentadiene to monomer
GB1501098A (en) Preparation of hop oil
GB1511315A (en) Process for the separation of distillation sump products
GB1413448A (en) Process for the separation of trioxane from aqueous solutions
Marshall et al. Leaving group ability in base-promoted alkene-forming 1, 2-eliminations
SU368277A1 (ru) Способ разделения смеси бисареновых -комплексов молибдена
GB1405942A (en) Increasing the reactivity of phosphorus pentasulphide
GB543399A (en) Improvements in or relating to the reduction of magnesium
SU647516A1 (ru) Конденсатор-вымораживатель
GB970659A (en) Improvements in or relating to gaseous condensation
GB1108290A (en) Purification of elemental boron
SU624936A1 (ru) Способ термической обработки стальных изделий
SU476879A1 (ru) Способ дистилл ционного разделени вещества
FR70534E (fr) Condenseur pour séparer les vapeurs d'huile provenant des pompes à vide poussé, à diffusion d'huile ou à jet de vapeur d'huile, et se diffusant dans la chambre à vide poussé
ES389128A1 (es) Un procedimiento para mejorar la estabilidad de cloruro de vinilideno.
GB1254344A (en) Purification of trioxane
GB1007862A (en) 4-methyl-6-isobutenyl-pyrone-(2) and a process for its manufacture
GB1225607A (zh)

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee