CA1059527A - Sensitive ph indicator - Google Patents

Sensitive ph indicator

Info

Publication number
CA1059527A
CA1059527A CA271,678A CA271678A CA1059527A CA 1059527 A CA1059527 A CA 1059527A CA 271678 A CA271678 A CA 271678A CA 1059527 A CA1059527 A CA 1059527A
Authority
CA
Canada
Prior art keywords
aniline blue
reduced
indicator
blue
change
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
CA271,678A
Other languages
English (en)
French (fr)
Inventor
Clifton Aldridge
Michael C. Meyer
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.)
Mcdonnell Douglas Corp
Original Assignee
Mcdonnell Douglas Corp
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 Mcdonnell Douglas Corp filed Critical Mcdonnell Douglas Corp
Application granted granted Critical
Publication of CA1059527A publication Critical patent/CA1059527A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B11/00Diaryl- or thriarylmethane dyes
    • C09B11/04Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
    • C09B11/10Amino derivatives of triarylmethanes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22Investigating 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
    • G01N31/221Investigating 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 for investigating pH value

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
CA271,678A 1976-05-03 1977-02-14 Sensitive ph indicator Expired CA1059527A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/682,652 US4062876A (en) 1976-05-03 1976-05-03 Sensitive pH indicator

Publications (1)

Publication Number Publication Date
CA1059527A true CA1059527A (en) 1979-07-31

Family

ID=24740598

Family Applications (1)

Application Number Title Priority Date Filing Date
CA271,678A Expired CA1059527A (en) 1976-05-03 1977-02-14 Sensitive ph indicator

Country Status (24)

Country Link
US (1) US4062876A (cg-RX-API-DMAC7.html)
JP (1) JPS52133332A (cg-RX-API-DMAC7.html)
BE (1) BE851387A (cg-RX-API-DMAC7.html)
BR (1) BR7700861A (cg-RX-API-DMAC7.html)
CA (1) CA1059527A (cg-RX-API-DMAC7.html)
CH (1) CH604158A5 (cg-RX-API-DMAC7.html)
CS (1) CS192479B2 (cg-RX-API-DMAC7.html)
DD (1) DD129661A5 (cg-RX-API-DMAC7.html)
DE (1) DE2705366C3 (cg-RX-API-DMAC7.html)
DK (1) DK60377A (cg-RX-API-DMAC7.html)
ES (1) ES455899A1 (cg-RX-API-DMAC7.html)
FI (1) FI770009A7 (cg-RX-API-DMAC7.html)
FR (1) FR2350602A1 (cg-RX-API-DMAC7.html)
GB (1) GB1523083A (cg-RX-API-DMAC7.html)
IL (1) IL51226A0 (cg-RX-API-DMAC7.html)
IT (1) IT1075558B (cg-RX-API-DMAC7.html)
LU (1) LU76768A1 (cg-RX-API-DMAC7.html)
NL (1) NL7701277A (cg-RX-API-DMAC7.html)
NO (1) NO770463L (cg-RX-API-DMAC7.html)
PL (1) PL101773B1 (cg-RX-API-DMAC7.html)
RO (1) RO70767A (cg-RX-API-DMAC7.html)
SE (1) SE7701355L (cg-RX-API-DMAC7.html)
SU (1) SU671735A3 (cg-RX-API-DMAC7.html)
ZA (1) ZA77850B (cg-RX-API-DMAC7.html)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US327953A (en) * 1885-10-06 Ische anilin and soda fabrik

Also Published As

Publication number Publication date
NO770463L (no) 1977-11-04
JPS5440570B2 (cg-RX-API-DMAC7.html) 1979-12-04
SU671735A3 (ru) 1979-06-30
ZA77850B (en) 1977-12-28
FR2350602B1 (cg-RX-API-DMAC7.html) 1980-03-14
SE7701355L (sv) 1977-11-04
AU2100076A (en) 1978-04-06
RO70767A (ro) 1981-06-30
BR7700861A (pt) 1978-04-04
FR2350602A1 (fr) 1977-12-02
DE2705366B2 (de) 1978-12-21
IT1075558B (it) 1985-04-22
DK60377A (da) 1977-11-04
BE851387A (fr) 1977-08-16
LU76768A1 (cg-RX-API-DMAC7.html) 1977-08-19
CS192479B2 (en) 1979-08-31
CH604158A5 (cg-RX-API-DMAC7.html) 1978-08-31
ES455899A1 (es) 1978-01-16
FI770009A7 (cg-RX-API-DMAC7.html) 1977-11-04
DD129661A5 (de) 1978-02-01
JPS52133332A (en) 1977-11-08
DE2705366A1 (de) 1977-11-10
DE2705366C3 (de) 1979-08-23
PL101773B1 (pl) 1979-01-31
US4062876A (en) 1977-12-13
IL51226A0 (en) 1977-03-31
GB1523083A (en) 1978-08-31
NL7701277A (nl) 1977-11-07

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