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Buffers and Standards

Buffers and Standards

Hydrogen ion buffers comprising a mixture of a weak acid and its conjugate base or vice-versa and used to stabilize pH; also diluents, washing solutions, and standard-value solutions used for a broad array of scientific calibration purposes.

The buffers used to calibrate pH meters may be certified and/or traceable to the National Institute of Standards and Technology (NIST). These buffers may also be color-coded for easy identification:

  • Red: pH 4.0
  • Yellow: pH 7.0
  • Blue: pH 10.0

 

General Chemistry Solutions (49)
Karl Fischer Buffers and Reagents (26)
Life Science Buffers (1)

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1 – 15 di 31 risultati
1

HYDRANAL™ - Composite 5, Honeywell Fluka™

Titrating agent for volumetric, one-component Karl Fischer titrations (Methanol-free)

Promozioni disponibili
EDGE
Sinonimo DE Solvent; 2-(2-Ethoxyethoxy)ethanol; CARBITOL; Diethylene glycol ethyl ether; Ethyldiglycol
Imballaggio Metrohm OMNIS Smart Reagent
Colore Brown
Forma fisica Liquid
Informazioni di solubilità Completely Miscible in Water
CAS 111-90-0
Conservazione consigliata Ambient
pH 4.5 to 5.5 (at 20°C)
Materiale o nome chimico HYDRANAL™ - Composite 5
Grado Volumetric One-Component KF Titration
Punti di ebollizione 194°C (at 1.013 hPa)
Punto d'infiammabilità 99°C
2

HYDRANAL™-Buffer Base, Honeywell Fluka™

Liquid buffer medium for Karl Fischer titration in alkaline samples (based on salicylic acid)

Numero UN UN1993BE
Numero MDL MFCD00147178
Pericolo per la salute 2 P210-P280-P304 + P340 + P312-P305 + P351 + P338 + P310-P370 + P378-P403 + P235
CAS 121-44-8
Materiale o nome chimico HYDRANAL™-Buffer Base
Punto d'infiammabilità 11°C (51.8°F)
3

HYDRANAL™-Solver (Crude) oil, Honeywell Fluka™

Medium for volumetric one- and two-component Karl Fischer titration in oils (chloroform-methanol-xylene-based)

Promozioni disponibili
Numero UN UN1992
Pericolo per la salute 2 P201-P210-P280-P308 + P311-P370 + P378-P403 + P235
CAS 7446-09-5
Materiale o nome chimico HYDRANAL™-Solver (Crude) oil
Densità 1.01g/mL
Punto d'infiammabilità 6°C (42.8°F)
4

HYDRANAL™-CompoSolver E, Honeywell Fluka™

Medium for volumetric one-component Karl Fischer titration (ethanol-based)

Promozioni disponibili
Numero UN UN1170
Pericolo per la salute 2 P201-P210-P280-P308 + P313-P370 + P378-P403 + P235
CAS 64-17-5
Materiale o nome chimico HYDRANAL™-CompoSolver E
Densità 0.80g/mL
Punto d'infiammabilità 12°C (53.6°F)
5

Hydrogen peroxide solution, Honeywell™
BIOPHARMA

CAS: 7732-18-5 Formula molecolare: H2O Molecular Weight (g/mol): 18.02 InChI Key: XLYOFNOQVPJJNP-UHFFFAOYSA-N PubChem CID: 784 ChEBI: CHEBI:16240 IUPAC Name: water SMILES: O

PubChem CID 784
Formula molecolare H2O
CAS 7732-18-5
Molecular Weight (g/mol) 18.02
ChEBI CHEBI:16240
SMILES O
IUPAC Name water
InChI Key XLYOFNOQVPJJNP-UHFFFAOYSA-N
7

Luff-Schoorl Reagent, Honeywell Fluka™

Volumetric, 25 g/L

Numero UN UN3082
Pericolo per la salute 2 P273-P280-P305 + P351 + P338
CAS 7758-98-7
Materiale o nome chimico Luff-Schoorl Reagent
8

Ammonium fluoride solution, Honeywell™

Semiconductor grade VLSI (Honeywell 17600), 40%

10

Hydrogen Peroxide Solution, ACS Reagent, Honeywell™

CAS: 7722-84-1 Formula molecolare: H2O2 Molecular Weight (g/mol): 34.014 Numero MDL: MFCD00011333 InChI Key: MHAJPDPJQMAIIY-UHFFFAOYSA-N Sinonimo: oxydol,perhydrol,superoxol,interox,hydrogen dioxide,inhibine,peroxaan,albone,hioxyl,kastone PubChem CID: 784 ChEBI: CHEBI:16240 IUPAC Name: hydrogen peroxide SMILES: OO

Sinonimo oxydol,perhydrol,superoxol,interox,hydrogen dioxide,inhibine,peroxaan,albone,hioxyl,kastone
Numero MDL MFCD00011333
PubChem CID 784
Formula molecolare H2O2
CAS 7722-84-1
Molecular Weight (g/mol) 34.014
ChEBI CHEBI:16240
SMILES OO
IUPAC Name hydrogen peroxide
InChI Key MHAJPDPJQMAIIY-UHFFFAOYSA-N
12

Ammonium fluoride - hydrofluoric acid mixture, Honeywell™

Semiconductor Grade, AF 875-125, etching mixture (Honeywell 17621)

13

HYDRANAL™ - Titrant 5, Honeywell Fluka™

Titrating agent for volumetric, two-component Karl Fischer titrations (Methanol-based)

Sinonimo Methyl Alcohol
Numero UN UN1230
Colore Brown
Forma fisica Liquid
Conservazione consigliata Ambient
Densità 0.850 g/cm3 (at 20°C)
Punti di ebollizione 65°C (at 1.013 hPa)
Punto d'infiammabilità 11°C
Imballaggio Metrohm OMNIS Smart Reagent
Informazioni di solubilità Completely Miscible in Water
CAS 7553-56-2
Punto di fusione -98°C
pH Neutral
Materiale o nome chimico HYDRANAL™ - Titrant 5
Grado Volumetric Two-Component KF Titration
14

Ethylenediaminetetraacetic Acid Disodium Salt Solution, 0.2M, Honeywell Fluka™

Materiale o nome chimico: Ethylenediaminetetraacetic acid disodium salt solution CAS: 139-33-3 Formula molecolare: C10H14N2Na2O8 Numero MDL: MFCD00070672,MFCD00003541,MFCD00070672,MFCD00150037 Numero UN: NONH for all modes of transport Beilstein: 3822669 Sinonimo: ethylenediaminetetraacetic acid disodium salt,edta na2,disodium 2-2-bis carboxymethyl amino ethyl-carboxymethyl amino acetic acid InChI Key: ZGTMUACCHSMWAC-UHFFFAOYSA-L SMILES: [Na+].[Na+].OC(=O)CN(CCN(CC(O)=O)CC([O-])=O)CC([O-])=O Molecular Weight (g/mol): 336.21 PubChem CID: 57339238 ChEBI: CHEBI:64734

Sinonimo ethylenediaminetetraacetic acid disodium salt,edta na2,disodium 2-2-bis carboxymethyl amino ethyl-carboxymethyl amino acetic acid
Numero UN NONH for all modes of transport
Numero MDL MFCD00070672,MFCD00003541,MFCD00070672,MFCD00150037
PubChem CID 57339238
Formula molecolare C10H14N2Na2O8
CAS 139-33-3
Molecular Weight (g/mol) 336.21
ChEBI CHEBI:64734
SMILES [Na+].[Na+].OC(=O)CN(CCN(CC(O)=O)CC([O-])=O)CC([O-])=O
Materiale o nome chimico Ethylenediaminetetraacetic acid disodium salt solution
InChI Key ZGTMUACCHSMWAC-UHFFFAOYSA-L
Beilstein 3822669