
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
















Thermo Scientific™ Orion™ pH-bufferflasker
Udfør nøjagtige, reproducerbare pH-kalibreringer med disse farvekodede bufferflasker.

Kemisk navn eller materiale | pH Buffer, bottles |
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Til brug med (udstyr) | pH Meter and Electrode |
Sporbarhed til NIST | Yes |
Fysisk form | Væske |
Bufferopløsning pH4,00 (phthalat), NIST Standardopløsning klar til brug til pH-måling, Fisher Chemical™
MDL nummer: 217672
MDL nummer | 217672 |
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pH-buffere, Twin Neck, Fisherbrand™
Udfør nøjagtige pH-kalibreringer med farvekodet tvillinghals Fisherbrand™ pH-bufferflasker.
Til brug med (applikation) | pH-kalibrering |
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Bufferopløsning pH7,00 (fosfat), NIST Standardopløsning klar til brug til pH-måling, Fisher Chemical™
MDL nummer: 217672
MDL nummer | 217672 |
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Bufferfarvekodet opløsning pH7,00 (fosfat) gul, NIST Standardopløsning klar til brug til pH-måling, Fisher Chemical™
CAS: 7778-77-0 Molekylær formel: H2KO4P Molekylvægt (g/mol): 136.08 InChI nøgle: GNSKLFRGEWLPPA-UHFFFAOYSA-M IUPAC navn: kaliumdihydrogenphosphat SMIL: [K+].OP(O)([O-])=O
Molekylvægt (g/mol) | 136.08 |
---|---|
CAS | 7778-77-0 |
SMIL | [K+].OP(O)([O-])=O |
IUPAC navn | kaliumdihydrogenphosphat |
InChI nøgle | GNSKLFRGEWLPPA-UHFFFAOYSA-M |
Molekylær formel | H2KO4P |
Gibco™ Opti-Plex™ Kompleksdannelsesbuffer
Opti-Plex Complexation Buffer er en cGMP-fremstillet, kemisk defineret, animalsk oprindelse-fri (AOF), methionin-fri, biotin-fri, lav-protein transfektion kompleksdannelse buffer baseret på Opti-MEM I Reduceret Serum Medium
Manganese, AAS standard solution, Specpure™ Mn 1000μg/mL
CAS: 7439-96-5 Molekylær formel: Mn Molekylvægt (g/mol): 54.94 MDL nummer: MFCD00011111 InChI nøgle: PWHULOQIROXLJO-UHFFFAOYSA-N PubChem CID: 23930 ChEBI: CHEBI:35154 IUPAC navn: mangan SMIL: [Mn]
MDL nummer | MFCD00011111 |
---|---|
PubChem CID | 23930 |
Molekylvægt (g/mol) | 54.94 |
CAS | 7439-96-5 |
ChEBI | CHEBI:35154 |
SMIL | [Mn] |
IUPAC navn | mangan |
InChI nøgle | PWHULOQIROXLJO-UHFFFAOYSA-N |
Molekylær formel | Mn |
Oxalic acid, 10% w/v aq. soln.
CAS: 144-62-7 Molekylær formel: C2H2O4 Molekylvægt (g/mol): 90.034 MDL nummer: MFCD00002573 InChI nøgle: MUBZPKHOEPUJKR-UHFFFAOYSA-N PubChem CID: 971 ChEBI: CHEBI:16995 IUPAC navn: oxalsyre SMIL: C(=O)(C(=O)O)O
MDL nummer | MFCD00002573 |
---|---|
PubChem CID | 971 |
Molekylvægt (g/mol) | 90.034 |
CAS | 144-62-7 |
ChEBI | CHEBI:16995 |
SMIL | C(=O)(C(=O)O)O |
IUPAC navn | oxalsyre |
InChI nøgle | MUBZPKHOEPUJKR-UHFFFAOYSA-N |
Molekylær formel | C2H2O4 |
Blystandardopløsning, til AAS, 1 mg/ml Pb i 2 % HNO 3 , Thermo Scientific Chemicals
CAS: 10099-74-8 | N2O6Pb | 331.20 g/mol
MDL nummer | MFCD00011153 |
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Kemisk navn eller materiale | Lead standard solution |
Specifik vægtfylde | 1.02 |
Sundhedsfare 3 | GHS P Statement: Keep only in original container. 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. Avoid breathing dust/fume/gas/mist/vapors/spray. Wash face, hands and any exposed skin thoroughly after handling. IF ON SKIN: Wash with plenty of soap and water. WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification. |
Sundhedsfare 2 | GHS H Statement: Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. May be corrosive to metals. |
Sundhedsfare 1 | Danger |
Formel vægt | 331.21 |
ChEBI | CHEBI:37187 |
Emballage | Plastflaske |
Merck Index | 15, 5469 |
Koncentration | 997 to 1003 μg/mL of Pb(2+) in 2 to 5% HNO3 (20°C) |
IUPAC navn | λ²-bly(2+) dinitrat |
Fysisk form | Pulver/krystaller |
Farve | Brun til rød eller grøn |
Grad | AAS |
Navn note | 1 mg/ml Pb in 2% HNO3 |
PubChem CID | 24924 |
Molekylvægt (g/mol) | 331.20 |
Tæthed | 1.0200g/mL |
CAS | 7732-18-5 |
Smeltepunkt | -3.0°C |
SMIL | [Pb++].[O-][N+]([O-])=O.[O-][N+]([O-])=O |
Kogepunkt | 101.0°C |
InChI nøgle | RLJMLMKIBZAXJO-UHFFFAOYSA-N |
Molekylær formel | N2O6Pb |
Sodium thiosulfate, 1.0N Standardized Solution
CAS: 7772-98-7 Molekylær formel: Na2O3S2 Molekylvægt (g/mol): 158.10 MDL nummer: MFCD00003499 InChI nøgle: AKHNMLFCWUSKQB-UHFFFAOYSA-L PubChem CID: 24477 IUPAC navn: dinatriumsulfanidsulfonat SMIL: [Na+].[Na+].[O-]S([S-])(=O)=O
MDL nummer | MFCD00003499 |
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PubChem CID | 24477 |
Molekylvægt (g/mol) | 158.10 |
CAS | 7772-98-7 |
SMIL | [Na+].[Na+].[O-]S([S-])(=O)=O |
IUPAC navn | dinatriumsulfanidsulfonat |
InChI nøgle | AKHNMLFCWUSKQB-UHFFFAOYSA-L |
Molekylær formel | Na2O3S2 |
Tris-base (hvide krystaller eller krystallinsk pulver/molekylærbiologi), Fisher BioReagents™
CAS: 77-86-1 Molekylær formel: C4H11NO3 Molekylvægt (g/mol): 121.136 InChI nøgle: LENZDBCJOHFCAS-UHFFFAOYSA-N Synonym: Trimethylol Aminomethane,Tris(hydroxymethyl)aminomethane,2-Amino-2-(hydroxymethyl)-1,3-propanediol,THAM,Tris base,Trometamol 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 |
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Molekylvægt (g/mol) | 121.136 |
CAS | 77-86-1 |
ChEBI | CHEBI:9754 |
Synonym | Trimethylol Aminomethane,Tris(hydroxymethyl)aminomethane,2-Amino-2-(hydroxymethyl)-1,3-propanediol,THAM,Tris base,Trometamol |
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 |
HYDRANAL™ - NEXTGEN Coulomat AG-FI, Honeywell Fluka™
Anolyt til coulometrisk Karl Fischer titreringer, for celler med og uden diafragma
Kemisk navn eller materiale | HYDRANAL™ - NEXTGEN Coulomat AG-FI |
---|---|
Anbefalet opbevaring | Stuetemperatur |
Tæthed | 0.893 g/cm3 (at 20°C) |
Opløselighedsinformation | Completely Miscible in Water |
Smeltepunkt | -98°C (Methanol) |
Emballage | Glasflaske |
Kogepunkt | 64°C to 65°C (Methanol) |
CAS min % | ≥60% |
Flammepunkt | 14°C |
FN nummer | UN1230 |
Farve | Gul |
Nikkel standardopløsning, til AAS, 1 mg/ml Ni i 2 % HNO3, Thermo Scientific Chemicals
CAS: 7440-02-0 | Ni | 58.69 g/mol
MDL nummer | MFCD00011137 MFCD06798735 |
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Kemisk navn eller materiale | Nickel standard solution |
Specifik vægtfylde | 1.032 |
Sundhedsfare 3 | GHS P Statement Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: rinse mouth. Do NOT induce vomiting. IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. 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. Keep only in original container. |
Sundhedsfare 2 | GHS H Statement May cause cancer by inhalation. May damage the unborn child. Causes severe skin burns and eye damage. May produce an allergic reaction. Harmful to aquatic life with long lasting effects. May be corrosive to metals. |
Sundhedsfare 1 | Danger |
Formel vægt | 58.69 |
ChEBI | CHEBI:28112 |
Emballage | Plastflaske |
Koncentration | 990 to 1010 μg/mL Ni in 2 to 5% HNO3 (20°C) |
CAS min % | 96.9 |
IUPAC navn | nikkel |
Fysisk form | Krystaller, krystallinsk pulver og/eller klumper |
Farve | Grøn |
Grad | AAS |
Navn note | 1 mg/ml Ni in 2% HNO3 |
PubChem CID | 935 |
Molekylvægt (g/mol) | 58.69 |
Tæthed | 1.0320g/mL |
CAS | 7732-18-5 |
SMIL | [Ni] |
Opløselighed | Soluble in water |
InChI nøgle | PXHVJJICTQNCMI-UHFFFAOYSA-N |
Molekylær formel | Ni |
CAS Max % | 97.1 |
Natriumbicarbonat, 1 M bufferopløsning, pH 8,0, Thermo Scientific Chemicals
CAS: 144-55-8 Molekylær formel: CHNaO3 Molekylvægt (g/mol): 84.01 MDL nummer: MFCD00003528 InChI nøgle: UIIMBOGNXHQVGW-UHFFFAOYSA-M PubChem CID: 516892 ChEBI: CHEBI:32139 SMIL: [Na+].OC([O-])=O
MDL nummer | MFCD00003528 |
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PubChem CID | 516892 |
Molekylvægt (g/mol) | 84.01 |
CAS | 144-55-8 |
ChEBI | CHEBI:32139 |
SMIL | [Na+].OC([O-])=O |
InChI nøgle | UIIMBOGNXHQVGW-UHFFFAOYSA-M |
Molekylær formel | CHNaO3 |
MDL nummer | MFCD00010896 |
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Lineær formel | Br2 |
Kemisk navn eller materiale | Bromine |
Sundhedsfare 3 | GHS P Statement Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: rinse mouth. Do NOT induce vomiting. Keep away from heat/sparks/open flames/hot surfaces. - No smoking. 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. Avoid release to the environment. |
Sundhedsfare 2 | GHS P Statement Fatal if inhaled. Causes severe skin burns and eye damage. Very toxic to aquatic life. Flammable liquid and vapor. |
Sundhedsfare 1 | GHS-signalord: Fare |
Formel vægt | 159.82 |
Opløselighedsinformation | Solubility in water: soluble. |
ChEBI | CHEBI:29224 |
Merck Index | 15, 1401 |
Koncentration | 0.90 to 1.10M |
Fysisk form | Væske |
IUPAC navn | bromid |
Farve | Rød |
Navn note | 1M solution in acetic acid |
PubChem CID | 24408 |
Molekylvægt (g/mol) | 79.91 |
Tæthed | 3.111 |
CAS | 64-19-7 |
Synonym | bromine,dibromine,brom,bromine solution,brome,bromo,broom,bromine water,bromo italian,bromo spanish |
SMIL | [Br-] |
Flammepunkt | 40°C |
InChI nøgle | CPELXLSAUQHCOX-UHFFFAOYSA-M |
Molekylær formel | Br |