Buffere og standarder
Hydrogenionbuffere omfattende en blanding af en svag syre og dens konjugatbase eller omvendt og anvendt til at stabilisere pH; også fortyndingsmidler, vaskeopløsninger og standardværdiopløsninger, der anvendes til en bred vifte af videnskabelige kalibreringsformål.
De buffere, der bruges til at kalibrere pH-målere, kan være certificeret og/eller sporbare til National Institute of Standards and Technology (NIST). Disse buffere kan også være farvekodede for nem identifikation:
- Rød: pH 4,0 Gul:
- pH 7,0 Blå:
- pH 10,0
Filtrerede søgeresultater
pH-bufferposer, METTLER TOLEDO™
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Thermo Scientific™ Orion™ pH-bufferflasker
Udfør nøjagtige, reproducerbare pH-kalibreringer med disse farvekodede bufferflasker.
| Kemisk navn eller materiale | pH Buffer, bottles |
|---|---|
| Til brug med (udstyr) | pH Meter and Electrode |
| Sporbarhed til NIST | Yes |
| Fysisk form | Væske |
Thermo Scientific Chemicals HEPES, 1,0 M bufferopløsning, pH 7,5
CAS: 7365-45-9 Molekylær formel: C8H18N2O4S Molekylvægt (g/mol): 238.30 MDL nummer: MFCD00006158 InChI nøgle: JKMHFZQWWAIEOD-UHFFFAOYSA-N PubChem CID: 23831 ChEBI: CHEBI:42334 SMIL: OCCN1CCN(CCS(O)(=O)=O)CC1
| MDL nummer | MFCD00006158 |
|---|---|
| PubChem CID | 23831 |
| Molekylvægt (g/mol) | 238.30 |
| CAS | 7365-45-9 |
| ChEBI | CHEBI:42334 |
| SMIL | OCCN1CCN(CCS(O)(=O)=O)CC1 |
| InChI nøgle | JKMHFZQWWAIEOD-UHFFFAOYSA-N |
| Molekylær formel | C8H18N2O4S |
Invitrogen™ Tris (1 M), pH 8,0, RNase-fri
Invitrogen Molekylærbiologisk kvalitet, 1M Tris, pH 8.0 opløsning leveres i én flaske. Bufferen er certificeret RNase-fri, økonomisk og klar til brug.
| Anbefalet opbevaring | Opbevares ved stuetemperatur. |
|---|---|
| pH | 8 |
| Formulering | 1,3-Propanediol, 2-Amino-2-(Hydroxymethyl)-,Hydrochloride |
| Koncentration | 1 M |
| Produktlinje | Ambion |
| Fysisk form | Væske |
| Grad | Molekylær biologi |
Thermo Scientific Chemicals HEPES, 1,0 M bufferopløsning, pH 8,0
CAS: 7365-45-9 Molekylær formel: C8H18N2O4S Molekylvægt (g/mol): 238.30 MDL nummer: MFCD00006158 InChI nøgle: JKMHFZQWWAIEOD-UHFFFAOYSA-N PubChem CID: 23831 ChEBI: CHEBI:42334 IUPAC navn: 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethansulfonsyre SMIL: OCCN1CCN(CCS(O)(=O)=O)CC1
| MDL nummer | MFCD00006158 |
|---|---|
| PubChem CID | 23831 |
| Molekylvægt (g/mol) | 238.30 |
| CAS | 7365-45-9 |
| ChEBI | CHEBI:42334 |
| SMIL | OCCN1CCN(CCS(O)(=O)=O)CC1 |
| IUPAC navn | 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethansulfonsyre |
| InChI nøgle | JKMHFZQWWAIEOD-UHFFFAOYSA-N |
| Molekylær formel | C8H18N2O4S |
Thermo Scientific Chemicals MES, 0,5 M bufferopløsning, pH 6,0
CAS: 145224-94-8 Molekylær formel: C6H15NO5S Molekylvægt (g/mol): 213.248 MDL nummer: MFCD00283848 InChI nøgle: MIIIXQJBDGSIKL-UHFFFAOYSA-N PubChem CID: 16218417 IUPAC navn: 2-morpholin-4-ylethansulfonsyre;hydrat SMIL: C1COCCN1CCS(=O)(=O)O.O
| MDL nummer | MFCD00283848 |
|---|---|
| PubChem CID | 16218417 |
| Molekylvægt (g/mol) | 213.248 |
| CAS | 145224-94-8 |
| SMIL | C1COCCN1CCS(=O)(=O)O.O |
| IUPAC navn | 2-morpholin-4-ylethansulfonsyre;hydrat |
| InChI nøgle | MIIIXQJBDGSIKL-UHFFFAOYSA-N |
| Molekylær formel | C6H15NO5S |
| MDL nummer | MFCD00012462 |
|---|---|
| Kemisk navn eller materiale | Sodium citrate buffer soln. |
| Lugt | Odorless |
| Anbefalet opbevaring | Hold koldt |
| Sundhedsfare 3 | GHS P Statement P280-P305+P351+P338-P310 Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. |
| Sundhedsfare 2 | GHS H Statement H318 Causes serious eye damage. |
| Sundhedsfare 1 | Danger |
| Opløselighedsinformation | It is soluble in water (29.4g/L) at 20°C. Insoluble in ethanol. |
| pH | 5.0 |
| TSCA | No |
| Koncentration | 0.5 M |
| Fysisk form | Væske |
| Farve | Farveløs |
| MDL nummer | MFCD00012462 |
|---|---|
| Kemisk navn eller materiale | Sodium citrate buffer soln. |
| Lugt | Odorless |
| Anbefalet opbevaring | Hold koldt |
| Opløselighedsinformation | Soluble in water. |
| pH | 6.5 |
| TSCA | Yes |
| Koncentration | 0.5 M |
| Fysisk form | Væske |
| Farve | Farveløs |
Thermo Scientific™ Orion™ pH-buffer Poser til individuel brug
Sørg for friske, brugsklare standarder for pH-kalibrering med disse individuelle pH-pufferposer.
| Kemisk navn eller materiale | pH Buffer, individual use pouches |
|---|---|
| Til brug med (udstyr) | pH Meter and Electrode, single-use |
| Løsningstype | Buffer |
| Opløselighedsinformation | Soluble |
| Emballage | Pung |
| Sporbarhed til NIST | Yes |
| Kogepunkt | 100 °C |
| Fysisk form | Væske |
| Til brug med (applikation) | pH-kalibrering |
Tris-hydrochlorid, 1 M opløsning (pH 7,0/mol biol.), Fisher BioReagents™
CAS: 77-86-1 Molekylær formel: C4H11NO3 Molekylvægt (g/mol): 121.136 InChI nøgle: LENZDBCJOHFCAS-UHFFFAOYSA-N Synonym: Tris-HCl PubChem CID: 6503 ChEBI: CHEBI:9754 IUPAC navn: 2-amino-2-(hydroxymethyl)propan-1,3-diol SMIL: C(C(CO)(CO)N)O
| PubChem CID | 6503 |
|---|---|
| Molekylvægt (g/mol) | 121.136 |
| CAS | 77-86-1 |
| ChEBI | CHEBI:9754 |
| Synonym | Tris-HCl |
| SMIL | C(C(CO)(CO)N)O |
| IUPAC navn | 2-amino-2-(hydroxymethyl)propan-1,3-diol |
| InChI nøgle | LENZDBCJOHFCAS-UHFFFAOYSA-N |
| Molekylær formel | C4H11NO3 |
| MDL nummer | MFCD00146206 |
|---|---|
| Kemisk navn eller materiale | Sodium phosphate buffer soln. |
| Anbefalet opbevaring | Omgivende temperaturer |
| Opløselighedsinformation | Miscible with water. Immiscible with alcohol. |
| pH | 7.4 |
| TSCA | Yes |
| Koncentration | 0.2 M |
| Fysisk form | Væske |
Thermo Scientific Chemicals Borat, 0,5 M bufferopløsning, pH 9,5
CAS: 1330-43-4 Molekylær formel: B4Na2O7 Molekylvægt (g/mol): 201.21 MDL nummer: MFCD00081185 InChI nøgle: NXSVMNYRVBQCMO-UHFFFAOYSA-N IUPAC navn: dinatriumbicyclo[3.3.1]tetraboroxan-3,7-bis(ylium)-1,5-diuid-1,5-bis(olat) SMIL: [Na+].[Na+].[O-][B-]12O[B+]O[B-]([O-])(O[B+]O1)O2
| MDL nummer | MFCD00081185 |
|---|---|
| Molekylvægt (g/mol) | 201.21 |
| CAS | 1330-43-4 |
| SMIL | [Na+].[Na+].[O-][B-]12O[B+]O[B-]([O-])(O[B+]O1)O2 |
| IUPAC navn | dinatriumbicyclo[3.3.1]tetraboroxan-3,7-bis(ylium)-1,5-diuid-1,5-bis(olat) |
| InChI nøgle | NXSVMNYRVBQCMO-UHFFFAOYSA-N |
| Molekylær formel | B4Na2O7 |
Thermo Scientific Chemicals HEPES, 0,5 M bufferopløsning, pH 7,5
CAS: 7365-45-9 Molekylær formel: C8H18N2O4S Molekylvægt (g/mol): 238.30 MDL nummer: MFCD00006158 InChI nøgle: JKMHFZQWWAIEOD-UHFFFAOYSA-N PubChem CID: 23831 ChEBI: CHEBI:42334 IUPAC navn: 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethansulfonsyre SMIL: OCCN1CCN(CCS(O)(=O)=O)CC1
| MDL nummer | MFCD00006158 |
|---|---|
| PubChem CID | 23831 |
| Molekylvægt (g/mol) | 238.30 |
| CAS | 7365-45-9 |
| ChEBI | CHEBI:42334 |
| SMIL | OCCN1CCN(CCS(O)(=O)=O)CC1 |
| IUPAC navn | 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethansulfonsyre |
| InChI nøgle | JKMHFZQWWAIEOD-UHFFFAOYSA-N |
| Molekylær formel | C8H18N2O4S |
Thermo Scientific Chemicals Borat, 0,5 M bufferopløsning, pH 8,5
CAS: 1330-43-4 Molekylær formel: B4Na2O7 Molekylvægt (g/mol): 201.21 MDL nummer: MFCD00081185 InChI nøgle: NXSVMNYRVBQCMO-UHFFFAOYSA-N IUPAC navn: dinatriumbicyclo[3.3.1]tetraboroxan-3,7-bis(ylium)-1,5-diuid-1,5-bis(olat) SMIL: [Na+].[Na+].[O-][B-]12O[B+]O[B-]([O-])(O[B+]O1)O2
| MDL nummer | MFCD00081185 |
|---|---|
| Molekylvægt (g/mol) | 201.21 |
| CAS | 1330-43-4 |
| SMIL | [Na+].[Na+].[O-][B-]12O[B+]O[B-]([O-])(O[B+]O1)O2 |
| IUPAC navn | dinatriumbicyclo[3.3.1]tetraboroxan-3,7-bis(ylium)-1,5-diuid-1,5-bis(olat) |
| InChI nøgle | NXSVMNYRVBQCMO-UHFFFAOYSA-N |
| Molekylær formel | B4Na2O7 |
| MDL nummer | MFCD00012462 |
|---|---|
| Kemisk navn eller materiale | Sodium citrate buffer soln. |
| Lugt | Odorless |
| Anbefalet opbevaring | Hold koldt |
| Sundhedsfare 3 | GHS P Statement P280-P264-P305+P351+P338-P337+P313 Wear protective gloves/protective clothing/eye protection/face protection. Wash thoroughly after handling. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. |
| Sundhedsfare 2 | GHS H Statement H319 Causes serious eye irritation. |
| Sundhedsfare 1 | Warning |
| Opløselighedsinformation | Fully miscible in water. |
| pH | 6.0 |
| TSCA | Yes |
| Koncentration | 0.5 M |
| Fysisk form | Væske |
| Farve | Farveløs |