GB1375234A - - Google Patents

Info

Publication number
GB1375234A
GB1375234A GB1772172A GB1772172A GB1375234A GB 1375234 A GB1375234 A GB 1375234A GB 1772172 A GB1772172 A GB 1772172A GB 1772172 A GB1772172 A GB 1772172A GB 1375234 A GB1375234 A GB 1375234A
Authority
GB
United Kingdom
Prior art keywords
cell
valve
produce
output
measuring
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
GB1772172A
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 GB1375234A publication Critical patent/GB1375234A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/065—Investigating concentration of particle suspensions using condensation nuclei counters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB1772172A 1971-04-22 1972-04-17 Expired GB1375234A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7114397A FR2134863A5 (https=) 1971-04-22 1971-04-22

Publications (1)

Publication Number Publication Date
GB1375234A true GB1375234A (https=) 1974-11-27

Family

ID=9075775

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1772172A Expired GB1375234A (https=) 1971-04-22 1972-04-17

Country Status (2)

Country Link
FR (1) FR2134863A5 (https=)
GB (1) GB1375234A (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6422060B1 (en) 1998-01-27 2002-07-23 Rupprecht & Patashnick Company, Inc. Gas stream conditioning apparatus, system and method for use in measuring particulate matter
WO2017085183A1 (de) * 2015-11-17 2017-05-26 Avl List Gmbh Kondensationspartikelzähler mit füllstandssensorelement
CN116698674A (zh) * 2023-06-28 2023-09-05 江苏师范大学 一种小粒径矿物颗粒润湿性测量装置及其使用方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6422060B1 (en) 1998-01-27 2002-07-23 Rupprecht & Patashnick Company, Inc. Gas stream conditioning apparatus, system and method for use in measuring particulate matter
WO2017085183A1 (de) * 2015-11-17 2017-05-26 Avl List Gmbh Kondensationspartikelzähler mit füllstandssensorelement
CN116698674A (zh) * 2023-06-28 2023-09-05 江苏师范大学 一种小粒径矿物颗粒润湿性测量装置及其使用方法

Also Published As

Publication number Publication date
FR2134863A5 (https=) 1972-12-08

Similar Documents

Publication Publication Date Title
Regener Measurement of atmospheric ozone with the chemiluminescent method
US2684008A (en) Method and apparatus for measuring the concentration of condensation nuclei
US3632210A (en) Variable rate continuous flow condensation nuclei meter having adjustable expansion period and improved gain
US3866474A (en) Gas sample collecting device
US2654242A (en) Measurement of water vapor in gases
US5390539A (en) Device for measuring the permeability of a membrane to water vapor
US3100868A (en) Light gas detector using thin walled glass tubes for diffusion
GB1383041A (en) Fire-detecting systems involving sampling the atmosphere
US3727050A (en) Gas analyzer
US3037421A (en) Condensation nuclei detector
GB1315986A (en) Apparatus for adsorption m'surement
US3011387A (en) Condensation nuclei detector
GB1375234A (https=)
Perre Measurements of softwoods' permeability to air: importance upon the drying model
GB785943A (en) Improvements relating to the measurement of condensation nuclei
FR2366553A1 (fr) Procede et dispositif de controle d'etancheite a partir de l'helium naturel de l'air
US3463589A (en) Portable condensation nuclei detector
Atkinson et al. Gas Čerenkov Counters
US3460910A (en) Sensitivity control for gaseous organic contamination detector
US2613531A (en) Diffusion measuring meter
JPS5728277A (en) Radiation detector
US3813991A (en) Expansion apparatus for condensation nuclei monitor
US3041878A (en) Hygrometers
CN113884463B (zh) 一种适用于被动采样的黑碳测定装置及方法
JPS56101534A (en) Dehumidifier in gas analyzing device

Legal Events

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