GB0403136D0 - Detection method and apparatus - Google Patents

Detection method and apparatus

Info

Publication number
GB0403136D0
GB0403136D0 GBGB0403136.5A GB0403136A GB0403136D0 GB 0403136 D0 GB0403136 D0 GB 0403136D0 GB 0403136 A GB0403136 A GB 0403136A GB 0403136 D0 GB0403136 D0 GB 0403136D0
Authority
GB
United Kingdom
Prior art keywords
detection method
detection
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
GBGB0403136.5A
Other versions
GB2400174B (en
GB2400174A (en
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.)
WAGTECH INTERNAT Ltd
Original Assignee
WAGTECH INTERNAT 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 WAGTECH INTERNAT Ltd filed Critical WAGTECH INTERNAT Ltd
Priority to GB0609522A priority Critical patent/GB2423582B/en
Publication of GB0403136D0 publication Critical patent/GB0403136D0/en
Publication of GB2400174A publication Critical patent/GB2400174A/en
Application granted granted Critical
Publication of GB2400174B publication Critical patent/GB2400174B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G01N33/182—Water specific anions in water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • B01D61/146—Ultrafiltration comprising multiple ultrafiltration steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/20—Accessories; Auxiliary operations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/20—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using microanalysis, e.g. drop reaction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G01N33/1813—Water specific cations in water, e.g. heavy metals
GB0403136A 2003-02-18 2004-02-12 Portable filtration apparatus Expired - Lifetime GB2400174B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0609522A GB2423582B (en) 2003-02-18 2004-02-12 Arsenic detection method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0303719.9A GB0303719D0 (en) 2003-02-18 2003-02-18 Detection method and apparatus

Publications (3)

Publication Number Publication Date
GB0403136D0 true GB0403136D0 (en) 2004-03-17
GB2400174A GB2400174A (en) 2004-10-06
GB2400174B GB2400174B (en) 2006-08-23

Family

ID=9953237

Family Applications (3)

Application Number Title Priority Date Filing Date
GBGB0303719.9A Ceased GB0303719D0 (en) 2003-02-18 2003-02-18 Detection method and apparatus
GB0403136A Expired - Lifetime GB2400174B (en) 2003-02-18 2004-02-12 Portable filtration apparatus
GB0609522A Expired - Lifetime GB2423582B (en) 2003-02-18 2004-02-12 Arsenic detection method and apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0303719.9A Ceased GB0303719D0 (en) 2003-02-18 2003-02-18 Detection method and apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0609522A Expired - Lifetime GB2423582B (en) 2003-02-18 2004-02-12 Arsenic detection method and apparatus

Country Status (1)

Country Link
GB (3) GB0303719D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10712240B2 (en) 2016-04-19 2020-07-14 Ariana Schanzer Contaminant monitor system and method
FI129493B (en) * 2019-07-23 2022-03-31 3Awater Oy Portable assessment kit and method for measuring metal content of aqueous solution

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3741727A (en) * 1972-02-04 1973-06-26 Us Army Arsenic sampler
US4196081A (en) * 1978-04-13 1980-04-01 Pavia Edgar H Apparatus for emergency water purification
DE2926711C2 (en) * 1979-07-03 1981-06-11 Drägerwerk AG, 2400 Lübeck Detector tubes for measuring arsenic trioxide aerosols in air
DD262919A1 (en) * 1987-08-05 1988-12-14 Akad Wissenschaften Ddr DEVICE FOR AIR-CONDITIONING SEA-RESISTANCE SUITS FOR PILOT GUIDES
US4897187A (en) * 1988-12-05 1990-01-30 Rice William J Portable water filtration apparatus
JP2000225391A (en) * 1999-02-04 2000-08-15 Inada Toshitaka Portable water purifier
US6464760B1 (en) * 2000-09-27 2002-10-15 John C. K. Sham Ultraviolet air purifier
JP2003066025A (en) * 2001-08-28 2003-03-05 Tohoku Techno Arch Co Ltd Simple detection method of trace quantity of arsenic in water
WO2003038421A1 (en) * 2001-11-01 2003-05-08 Advanced Technology Materials, Inc. A system and method for detecting hydride gases at low concentrations and in the presence of varying humidity levels

Also Published As

Publication number Publication date
GB2423582A (en) 2006-08-30
GB2400174B (en) 2006-08-23
GB0609522D0 (en) 2006-06-21
GB2400174A (en) 2004-10-06
GB0303719D0 (en) 2003-03-19
GB2423582B (en) 2006-10-25

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20110407 AND 20110413

PE20 Patent expired after termination of 20 years

Expiry date: 20240211