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ORP Standards

Reference standards suitable for calibration of ORP (oxidation reduction potential)/Redox electrodes (ISE) to ensure accurate and reliable results.
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1

Ricca Chemical Company ORP Standard, +200 mV, Ricca Chemical
SDP

CAS: 14459-95-1 Molecular Formula: C6H6FeK4N6O3 Molecular Weight (g/mol): 422.39 MDL Number: MFCD00167023 InChI Key: NLYKFUFIUWPPIZ-UHFFFAOYSA-N IUPAC Name: tetrapotassium hexacyanoironbis(ylium) trihydrate SMILES: O.O.O.[K+].[K+].[K+].[K+].N#C[Fe++](C#N)(C#N)(C#N)(C#N)C#N

EDGE
CAS 14459-95-1
Molecular Weight (g/mol) 422.39
MDL Number MFCD00167023
SMILES O.O.O.[K+].[K+].[K+].[K+].N#C[Fe++](C#N)(C#N)(C#N)(C#N)C#N
IUPAC Name tetrapotassium hexacyanoironbis(ylium) trihydrate
InChI Key NLYKFUFIUWPPIZ-UHFFFAOYSA-N
Molecular Formula C6H6FeK4N6O3
2

Ricca Chemical Company ORP Standard, +600 mV, Ricca Chemical
SDP

CAS: 7783-85-9 Molecular Formula: FeH20N2O14S2 Molecular Weight (g/mol): 392.13 MDL Number: MFCD00150530 InChI Key: MQLVWQSVRZVNIP-UHFFFAOYSA-L IUPAC Name: λ2-iron(2+) diammonium hexahydrate disulfate SMILES: [NH4+].[NH4+].O.O.O.O.O.O.[Fe++].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O

EDGE
CAS 7783-85-9
Molecular Weight (g/mol) 392.13
MDL Number MFCD00150530
SMILES [NH4+].[NH4+].O.O.O.O.O.O.[Fe++].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O
IUPAC Name λ2-iron(2+) diammonium hexahydrate disulfate
InChI Key MQLVWQSVRZVNIP-UHFFFAOYSA-L
Molecular Formula FeH20N2O14S2
3

ORP Standard, 200mV, Certified, LabChem™
GSA_VA

CAS: 14459-95-1 Molecular Formula: C6H6FeK4N6O3 Molecular Weight (g/mol): 422.39 MDL Number: MFCD00167023 InChI Key: NLYKFUFIUWPPIZ-UHFFFAOYSA-N IUPAC Name: tetrapotassium hexacyanoironbis(ylium) trihydrate SMILES: O.O.O.[K+].[K+].[K+].[K+].N#C[Fe++](C#N)(C#N)(C#N)(C#N)C#N

CAS 14459-95-1
Molecular Weight (g/mol) 422.39
MDL Number MFCD00167023
SMILES O.O.O.[K+].[K+].[K+].[K+].N#C[Fe++](C#N)(C#N)(C#N)(C#N)C#N
IUPAC Name tetrapotassium hexacyanoironbis(ylium) trihydrate
InChI Key NLYKFUFIUWPPIZ-UHFFFAOYSA-N
Molecular Formula C6H6FeK4N6O3
4

Thermo Scientific™ Orion™ ORP Standards for Redox/ORP Electrodes

Measure ORP simply and accurately with these standards, stable for up to a year (unopened).

Type Redox/ORP Electrode Standard
Description ORP Standard
For Use With (Equipment) Gel-filled ORP/ATC Triode™ electrodes (9179BNMD and 9179BN), Refillable ORP/ATC Triode electrodes (9180BNMD and 9180BN), Glass-bodied ORP electrodes, (9778BNWP and 9778SC), Sure-Flow™ ORP electrodes, (9678BNWP and 967800)
Packaging Bottle
5

LabChem, Inc. Zobell's Solution (ORP Standard, 220mV), LabChem™
GSA_VA

6

Ricca Chemical Company ZoBell's Solution, Oxidation-Reduction Potential (ORP) Standard, Ricca Chemical
SDP

EDGE
Boiling Point 100°C
Name Note Oxidation-Reduction Potential (ORP) Standard
CAS 7732-18-5
Physical Form Liquid
CAS Min % 0.11
Chemical Name or Material ZoBell's Solution
CAS Max % 0.11
7

Ricca Chemical Company ORP Standard, +400 mV, Ricca Chemical
SDP

CAS: 7783-85-9 Molecular Formula: FeH20N2O14S2 Molecular Weight (g/mol): 392.13 MDL Number: MFCD00150530 InChI Key: MQLVWQSVRZVNIP-UHFFFAOYSA-L IUPAC Name: λ2-iron(2+) diammonium hexahydrate disulfate SMILES: [NH4+].[NH4+].O.O.O.O.O.O.[Fe++].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O

CAS 7783-85-9
Molecular Weight (g/mol) 392.13
MDL Number MFCD00150530
SMILES [NH4+].[NH4+].O.O.O.O.O.O.[Fe++].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O
IUPAC Name λ2-iron(2+) diammonium hexahydrate disulfate
InChI Key MQLVWQSVRZVNIP-UHFFFAOYSA-L
Molecular Formula FeH20N2O14S2
8

ORP Standard, 475mV, Certified, LabChem™

CAS: 7783-85-9 Molecular Formula: FeH20N2O14S2 Molecular Weight (g/mol): 392.13 MDL Number: MFCD00150530 InChI Key: MQLVWQSVRZVNIP-UHFFFAOYSA-L Synonym: Light's Solution IUPAC Name: λ²-iron(2+) diammonium hexahydrate disulfate SMILES: [NH4+].[NH4+].O.O.O.O.O.O.[Fe++].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O

CAS 7783-85-9
Molecular Weight (g/mol) 392.13
MDL Number MFCD00150530
SMILES [NH4+].[NH4+].O.O.O.O.O.O.[Fe++].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O
Synonym Light's Solution
IUPAC Name λ²-iron(2+) diammonium hexahydrate disulfate
InChI Key MQLVWQSVRZVNIP-UHFFFAOYSA-L
Molecular Formula FeH20N2O14S2
9

LabChem, Inc. ORP Standard, 400mV, Certified, LabChem™

CAS: 7783-85-9 Molecular Formula: FeH20N2O14S2 Molecular Weight (g/mol): 392.13 MDL Number: MFCD00150530 InChI Key: MQLVWQSVRZVNIP-UHFFFAOYSA-L IUPAC Name: λ²-iron(2+) diammonium hexahydrate disulfate SMILES: [NH4+].[NH4+].O.O.O.O.O.O.[Fe++].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O

CAS 7783-85-9
Molecular Weight (g/mol) 392.13
MDL Number MFCD00150530
SMILES [NH4+].[NH4+].O.O.O.O.O.O.[Fe++].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O
IUPAC Name λ²-iron(2+) diammonium hexahydrate disulfate
InChI Key MQLVWQSVRZVNIP-UHFFFAOYSA-L
Molecular Formula FeH20N2O14S2
10

ORP test solution, 200-275 mV

MDL Number MFCD01867801
Physical Form Liquid
Packaging Plastic-coated glass bottle
Chemical Name or Material ORP test solution
TSCA Yes
Recommended Storage Ambient temperatures
11

Ricca Chemical Company ZoBell's Solution, Modified, Oxidation-Reduction Potential (ORP) Standard, Ricca Chemical
SDP

Boiling Point 100°C
Name Note Oxidation-Reduction Potential (ORP) Standard
CAS 7732-18-5
Color Yellow
Physical Form Liquid
CAS Min % 7.0E-4
Packaging Amber Poly Bottle
Chemical Name or Material ZoBell's Solution
CAS Max % 7.0E-4
12

Reagents Holdings Llc ORP Standard 600 mV vs. Ag/AgCl, Reagents

ORP Standard 600 mV vs. Ag/AgCl, Reagent, use for Redox. Store in a Cool Dry Place. Manufactured in ISO 9001 facility.

Boiling Point 100°C
CAS 7664-93-9
For Use With (Equipment) Redox Meter
Solubility Completely miscible
Color Amber
Physical Form Liquid
Chemical Name or Material ORP Standard 600 mV vs. Ag/AgCl
Grade Reagent
Synonym Oxidation Reduction Potential Standard
Specific Gravity 1.0286
13

Reagents Holdings Llc ORP Buffer 7 (87 mV), Reagents

ORP Buffer 7 (87 mV), Reagent, use for Redox. Manufactured in ISO 9001 facility.

14

Reagents Holdings Llc ORP Standard, 220 mV vs. Ag/AgCl, Reagents

ORP Standard, 220 mV vs. Ag/AgCl, Reagent, use for Redox. Store in a Cool Dry Place. Manufactured in ISO 9001 facility.

Boiling Point 100°C
CAS 14459-95-1
For Use With (Equipment) Redox Meter
Solubility Completely miscible
Color Yellow/Green
Physical Form Liquid
Packaging Opaque HDPE
Chemical Name or Material ORP Standard, 220 mV vs. Ag/AgCl
Grade Reagent
Synonym Oxidation Reduction Potential Standard
Technique Redox
Specific Gravity 1.0072
15

Reagents Holdings Llc ORP Standard, 200 mV vs. Ag/AgCl, Reagents

ORP Standard, 200 mV vs. Ag/AgCl, Reagent, use for Redox. Store in a Cool Dry Place. Manufactured in ISO 9001 facility.

Boiling Point 100°C
CAS 14459-95-1
For Use With (Equipment) Redox Meter
Solubility Completely miscible
Color Yellow/Green
Physical Form Liquid
Chemical Name or Material ORP Standard, 200 mV vs. Ag/AgCl
Grade Reagent
Synonym Oxidation Reduction Potential Standard
Technique Redox
Specific Gravity 1.0052