Thermo Scientific™

Orion™ pH Buffer Bottles

Catalog number: 910104
Thermo Scientific™

Orion™ pH Buffer Bottles

Catalog number: 910104

Perform accurate, reproducible pH calibrations with color-coded Thermo Scientific™ Orion™ pH Buffer Bottles. pH 4.01, 5.00, 7.00 and 10.01 buffers are color coded for ease of use. All Orion pH buffers are traceable to NIST™ standard reference materials.

 
Catalog Number
910104
Unit Size
Each
Quantity
475mL
pH
4.01
Color
Red
Price (USD)
23.10
Your Price:
Availability
***
Full specifications
Quantity
CompositionWater, Potassium Hydroxide, Amaranth Red No. 27, Potassium Hydrogen Phthalate
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble
Solution TypeBuffer solution
DescriptionpH 4.01 (Red) Buffer
NIST TraceableYes
PackagingBottle
Boiling Point100°C
pH4.01
ColorRed
Quantity475mL
TypepH Buffer, bottles
Unit SizeEach
Catalog Number
Unit Size
Each
Quantity
475mL
pH
5.00
Color
Orange
Price (USD)
25.20
Your Price:
Availability
***
Full specifications
Quantity
CompositionWater, Potassium Hydrogen Phthalate, FD & C Red #40, Methylparaben, FD & C Yellow #5, Sodium Hydroxide
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble
Solution TypeBuffer solution
DescriptionpH 5.00 (Orange) Buffer
NIST TraceableYes
PackagingBottle
Boiling Point100°C
pH5.00
ColorOrange
Quantity475mL
TypepH Buffer, bottles
Unit SizeEach
Catalog Number
Unit Size
Each
Quantity
475mL
pH
7.00
Color
Yellow
Price (USD)
23.10
Your Price:
Availability
***
Full specifications
Quantity
CompositionWater, Dibasic, Potassium Dihydrogen Phosphate, 5-Bromo-5-Nitro-1,3-Dioxane, FD & C Yellow #5, Sodium Phosphate
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble
Solution TypeBuffer solution
DescriptionpH 7.00 (Yellow) Buffer
NIST TraceableYes
PackagingBottle
Boiling Point100°C
pH7.00
ColorYellow
Quantity475mL
TypepH Buffer, bottles
Unit SizeEach
Catalog Number
Unit Size
Each
Quantity
475mL
pH
10.01
Color
Blue
Price (USD)
23.10
Your Price:
Availability
***
Full specifications
Quantity
CompositionWater, Sodium Bicarbonate, Methylparaben, FD & C Blue #1, Sodium Carbonate
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble
Solution TypeBuffer solution
DescriptionpH 10.01 (Blue) Buffer
NIST TraceableYes
PackagingBottle
Boiling Point100°C
pH10.01
ColorBlue
Quantity475mL
TypepH Buffer, bottles
Unit SizeEach
Catalog Number
Unit Size
Each
Quantity
475mL
pH
12.46
Color
Colorless
Price (USD)
25.20
Your Price:
Availability
***
Full specifications
Quantity
CompositionWater, Sodium Hydroxide, Potassium Chloride
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble in Water
Solution TypeBuffer solution
Additional InformationAccuracy: ±0.002
DescriptionpH 12.46 Buffer
NIST TraceableYes
PackagingBottle
Boiling Point100°C
pH12.46
ColorColorless
Quantity475mL
TypepH Buffer, bottles
Unit SizeEach
Catalog Number
Unit Size
Each
Quantity
475mL
pH
1.68
Color
Colorless
Price (USD)
25.20
Your Price:
Availability
***
Full specifications
Quantity
CompositionWater, Potassium Tetroxalate
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble
Solution TypeBuffer solution
DescriptionpH 1.68 Buffer
NIST TraceableYes
PackagingBottle
Boiling Point100°C
pH1.68
ColorColorless
Quantity475mL
TypepH Buffer, bottles
Unit SizeEach
Catalog Number
Unit Size
Pack of 5
Quantity
5 x 60mL
pH
4.01
Color
Pink
Price (USD)
51.60
Your Price:
Availability
***
Full specifications
Quantity
CompositionWater, Potassium Hydroxide, Amaranth Red No. 27, Potassium Hydrogen Phthalate
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble
Solution TypeBuffer solution
DescriptionpH 4.01 (Pink) Buffer
NIST TraceableYes
Boiling Point100°C
pH4.01
ColorPink
Quantity5 x 60mL
TypepH Buffer, bottles
Unit SizePack of 5
Catalog Number
Unit Size
Each
Quantity
475mL
pH
6.86
Color
Colorless
Price (USD)
30.40
Your Price:
Availability
***
Full specifications
Quantity
CompositionWater, Disodium Hydrogen Phosphate, 5-Bromo-5-Nitro-1,3-Dioxane, Potassium Dihydrogen Phosphate
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble
Solution TypeBuffer solution
DescriptionpH 6.86 Buffer
NIST TraceableYes
PackagingBottle
Boiling Point100°C
pH6.86
ColorColorless
Quantity475mL
TypepH Buffer, bottles
Unit SizeEach
Catalog Number
Unit Size
Pack of 5
Quantity
5 x 60mL
pH
7.00
Color
Yellow
Price (USD)
51.60
Your Price:
Availability
***
Full specifications
Quantity
CompositionWater, Dibasic, Potassium Dihydrogen Phosphate, 5-Bromo-5-Nitro-1,3-Dioxane, FD & C Yellow #5, Sodium Phosphate
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble
Solution TypeBuffer solution
DescriptionpH 7.00 (Yellow) Buffer
NIST TraceableYes
PackagingBottle
Boiling Point100°C
pH7.00
ColorYellow
Quantity5 x 60mL
TypepH Buffer, bottles
Unit SizePack of 5
Catalog Number
Unit Size
Each
Quantity
475mL
pH
9.18
Color
Colorless
Price (USD)
25.00
Your Price:
Availability
***
Full specifications
Quantity
CompositionWater, Sodium Borate
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble
Solution TypeBuffer solution
DescriptionpH 9.18 Buffer
NIST TraceableYes
PackagingBottle
Boiling Point100°C
pH9.18
ColorColorless
Quantity475mL
TypepH Buffer, bottles
Unit SizeEach
Showing 10 of 16Show more
Catalog NumberSpecificationsUnit SizeQuantitypHColorPrice (USD)AvailabilityQuantity
910104Full specifications
Each475mL4.01Red
23.10
Your Price:
***
CompositionWater, Potassium Hydroxide, Amaranth Red No. 27, Potassium Hydrogen Phthalate
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble
Solution TypeBuffer solution
DescriptionpH 4.01 (Red) Buffer
NIST TraceableYes
PackagingBottle
Boiling Point100°C
pH4.01
ColorRed
Quantity475mL
TypepH Buffer, bottles
Unit SizeEach
910105Full specifications
Each475mL5.00Orange
25.20
Your Price:
***
CompositionWater, Potassium Hydrogen Phthalate, FD & C Red #40, Methylparaben, FD & C Yellow #5, Sodium Hydroxide
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble
Solution TypeBuffer solution
DescriptionpH 5.00 (Orange) Buffer
NIST TraceableYes
PackagingBottle
Boiling Point100°C
pH5.00
ColorOrange
Quantity475mL
TypepH Buffer, bottles
Unit SizeEach
910107Full specifications
Each475mL7.00Yellow
23.10
Your Price:
***
CompositionWater, Dibasic, Potassium Dihydrogen Phosphate, 5-Bromo-5-Nitro-1,3-Dioxane, FD & C Yellow #5, Sodium Phosphate
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble
Solution TypeBuffer solution
DescriptionpH 7.00 (Yellow) Buffer
NIST TraceableYes
PackagingBottle
Boiling Point100°C
pH7.00
ColorYellow
Quantity475mL
TypepH Buffer, bottles
Unit SizeEach
910110Full specifications
Each475mL10.01Blue
23.10
Your Price:
***
CompositionWater, Sodium Bicarbonate, Methylparaben, FD & C Blue #1, Sodium Carbonate
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble
Solution TypeBuffer solution
DescriptionpH 10.01 (Blue) Buffer
NIST TraceableYes
PackagingBottle
Boiling Point100°C
pH10.01
ColorBlue
Quantity475mL
TypepH Buffer, bottles
Unit SizeEach
910112Full specifications
Each475mL12.46Colorless
25.20
Your Price:
***
CompositionWater, Sodium Hydroxide, Potassium Chloride
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble in Water
Solution TypeBuffer solution
Additional InformationAccuracy: ±0.002
DescriptionpH 12.46 Buffer
NIST TraceableYes
PackagingBottle
Boiling Point100°C
pH12.46
ColorColorless
Quantity475mL
TypepH Buffer, bottles
Unit SizeEach
910168Full specifications
Each475mL1.68Colorless
25.20
Your Price:
***
CompositionWater, Potassium Tetroxalate
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble
Solution TypeBuffer solution
DescriptionpH 1.68 Buffer
NIST TraceableYes
PackagingBottle
Boiling Point100°C
pH1.68
ColorColorless
Quantity475mL
TypepH Buffer, bottles
Unit SizeEach
910460Full specifications
Pack of 55 x 60mL4.01Pink
51.60
Your Price:
***
CompositionWater, Potassium Hydroxide, Amaranth Red No. 27, Potassium Hydrogen Phthalate
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble
Solution TypeBuffer solution
DescriptionpH 4.01 (Pink) Buffer
NIST TraceableYes
Boiling Point100°C
pH4.01
ColorPink
Quantity5 x 60mL
TypepH Buffer, bottles
Unit SizePack of 5
910686Full specifications
Each475mL6.86Colorless
30.40
Your Price:
***
CompositionWater, Disodium Hydrogen Phosphate, 5-Bromo-5-Nitro-1,3-Dioxane, Potassium Dihydrogen Phosphate
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble
Solution TypeBuffer solution
DescriptionpH 6.86 Buffer
NIST TraceableYes
PackagingBottle
Boiling Point100°C
pH6.86
ColorColorless
Quantity475mL
TypepH Buffer, bottles
Unit SizeEach
910760Full specifications
Pack of 55 x 60mL7.00Yellow
51.60
Your Price:
***
CompositionWater, Dibasic, Potassium Dihydrogen Phosphate, 5-Bromo-5-Nitro-1,3-Dioxane, FD & C Yellow #5, Sodium Phosphate
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble
Solution TypeBuffer solution
DescriptionpH 7.00 (Yellow) Buffer
NIST TraceableYes
PackagingBottle
Boiling Point100°C
pH7.00
ColorYellow
Quantity5 x 60mL
TypepH Buffer, bottles
Unit SizePack of 5
910918Full specifications
Each475mL9.18Colorless
25.00
Your Price:
***
CompositionWater, Sodium Borate
For Use Withfor accurate, reproducible pH calibrations
For Use With (Equipment)pH Meter and Electrode
Physical FormLiquid
SolubilitySoluble
Solution TypeBuffer solution
DescriptionpH 9.18 Buffer
NIST TraceableYes
PackagingBottle
Boiling Point100°C
pH9.18
ColorColorless
Quantity475mL
TypepH Buffer, bottles
Unit SizeEach
Showing 10 of 16Show more

All Orion pH Buffer Bottles have pH/temperature tables printed on the labels for accurate calibrations and NIST traceability. Manufactured under ISO 9000 quality standards.

Buffer Color Codes:

  • pH 4.01 buffer is pink
  • pH 5.00 buffer is orange
  • pH 7.00 buffer is yellow
  • pH 10.01 buffer is blue

The buffers are available in pint (475mL) bottles, portable five packs of 2 oz. (5 x 60mL) bottles, convenient All-in-One buffer kits, 5 gallon (19L) Cubitainers™ and single-use pouches.

Limited warranty period: Subject to all warranty requirements and exclusions set out in our Terms and Conditions of Sale, this product is warranted from the date we ship the product and for ninety (90) days thereafter. 

Disclaimer to internal research use restriction: Any restrictions on the purchaser to utilize the product(s) for internal research purposes only does not apply to the product(s) on the web pages associated with this statement.

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Frequently asked questions (FAQs)

Citations & References