Citrate Buffer (pH 3.0 to 6.2) Preparation and Recipe

Citrate buffers can be used for RNA isolation, due to its ability to prevent base hydrolysis. The buffer is also used for antigen detection by breaking cross-links between antigens and any substances in its fixation medium. Citrate buffer is a popular choice for immunofluorescent staining applications, as it can aid in stain intensity without contributing to background signal. It is a popular choice for biological research and clinical applications, including pathology, and has had an increasing role in the medical field, as it has been shown to mildly improve dialysis efficiency. It has a shelf life of up to 3 months at room temperature.

Available for purchase here.

To prepare L of Citrate Buffer (pH 3.0 to 6.2):
Change the value in the textbox above to scale the recipe volume

Current molarity: 0.1 M	Adjust the molarity of the solution by using the slider below
Current pH: 6.2	Adjust the pH of the solution by using the slider below

Table 1. Required components

Component	Amount	Concentration
Sodium Citrate dihydrate (mw: 294.10 g/mol)	25.703 g	0.0874 M
Citric Acid (mw: 192.12 g/mol)	2.421 g	0.0126 M

Prepare 800 mL of distilled water in a suitable container.
Add 25.703 g of Sodium Citrate dihydrate to the solution.
Add 2.421 g of Citric Acid to the solution.
Adjust solution to final desired pH using HCl or NaOH
Add distilled water until the volume is 1 L.

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Physiological Buffer

pH Buffering

Sample Preparation

BioAssays

Misc

Cell/Culture/Growth Media

Gel Electrophoresis

Name ▲ ▼
Extracellular Saline (1x, pH 7.3)
HBSS (Hank's Balanced Salt Solution)
HEPES Buffer (1 M, 7.5 pH)
HHBS (Hank's Buffer with Hepes)
PBS (Phosphate Buffered Saline) (1X, pH 7.4)
PBS with Ca2+and Mg2+ (D-PBS)
Tyrode's Solution, Acidic

Name ▲ ▼
ACES Buffer (0.1 M, 6.7 pH)
Acetate Buffer (0.1 M, pH 5.0)
Acetate Buffer (pH 3.6 to 5.6)
ADA Buffer (0.5 M, 6.6 pH)
Ammonium Acetate
Ammonium Bicarbonate (50 mM, pH 7.8)
Ammonium Sulfate, Saturated
BES-Buffered Saline (2X) (0.05 M, pH 6.95)
Bicine (1 M, pH 8.26)
Bis-Tris Buffer (1 M, 6.5 pH)
Borate Buffer
CAPS (0.5 M, pH 10.4)
Carbonate-Bicarbonate Buffer (pH 9.2 to 10.6)
CHES (0.5 M, pH 9.5)
Citrate Buffer (0.1 M, pH 6.0)
Citrate Buffer (pH 3.0 to 6.2)
Citrate-Phosphate Buffer (0.15 M, pH 5.0)
Citrate-Phosphate Buffer (110 mM, pH 5.6)
Citrate-Phosphate Buffer (40 mM, pH 5.6)
Diethanolamine (1 M, pH 9.8)
EBSS (magnesium, calcium, phenol red) (pH 7.0)
Glycine (0.1 M, pH 2.2)
Glycine-HCl Buffer (0.1 M, pH 3.0)
Glycine-Sodium Hydroxide Buffer (0.08 M, pH 10)
HEPPSO (1 M, pH 7.85)
Hydrochloric Acid-Potassium Chloride Buffer (0.1 M, pH 2.0)
Imidazole-HCl Buffer (0.05 M, pH 7.0)
Maleic Acid (1 M, pH 7.5)
MES (0.5 M, pH 6)
MOPS Buffer (10X) (0.2 M, pH 7)
MOPSO Buffer (0.5 M, 6.9 pH)
Phosphate Buffer (pH 5.8 to 7.4)
PIPES Buffer (1 M, 6.8 pH)
Potassium Phosphate Buffer (1 M, pH 6.5)
Potassium Phosphate (pH 5.8 to 8.0)
Sodium Acetate (3 M, pH 5.2)
Sodium Borate Buffer (1 M, pH 8.5)
Sodium Phosphate Solution
SSC buffer (20X) (3 M, pH 7)
TAE (1 M, pH 8.6)
TB Buffer
TBS (1 M, pH 7.4)
TES Buffer (1 M, 7.5 pH)
Tricine (1 M, pH 8.05)
Tris Buffer (1 M, pH 7.2)
Tris-Buffered Saline (TBS, 0.1 M)
Tris-citrate Buffer (pH 8.0)
Trizma® Buffer (pH 7.0 to 9.2)

Name ▲ ▼
ACK Lysis Buffer
Alkaline Sodium Thiosulfate
BAC DNA Microinjection Buffer
DEAE-dextran
EDTA Solution
Elution Buffer
Gey's Balanced Salt Solution
H-50 Buffer
Lysis Solution
Osmium Tetroxide Solution
Paraformaldehyde Solution (8%)
TE Buffer 10X
Trichloroacetic Acid (TCA)

Name ▲ ▼
Anesthetic (MS222) Solution
Bradford Stock Solution
5-Fluorocytosine (5-FC) Solution
Chloroquine
Cresol Red Solution
Ethidium Bromide Solution
Immunofluorescence Quenching Solution
Mayer's Hemalum
Nuclear Fast Red Solution
Pyronin Y (PY) Solution
SSC (Northern Blot, 20x)
SSPE (Blot, 20x, pH 7.4)

Name ▲ ▼
Dithiothreitol (DTT) (1 M)
Sodium Iodide/Sodium Sulfite Solution

Name ▲ ▼
Bath Solution (Ca2+/Mg2+ Free)
Calcium Chloride Stock Solution
Carbenicillin Solution
Chelation Medium
Digestion Medium
Embryonic Medium
IPTG Solution
M9 Minimal Salts
Modified Barth's Saline (MBS)
Penicillin/Streptomycin/Chloramphenicol Antibiotic Mix
Yeast Two Hybrid (Y2H) Media, Amino Acid Dropout Mixes

Name ▲ ▼
Acrylamide Stock Solution
Electrode Buffer
Electrophoretic Transfer Buffer (20x)
Imidazole-SDS Solution
SDS-PAGE SDS Running Buffer (10x)
Sodium Carbonate Transfer Buffer (40x, pH 9.5)
Tris/EACA Buffer
Tris-Glycine Transfer Buffer (20x)

References

This online tool may be cited as follows

MLA	"Quest Calculate™ Citrate Buffer (pH 3.0 to 6.2) Preparation and Recipe." AAT Bioquest, Inc., 19 Apr. 2024, https://www.aatbio.com/resources/buffer-preparations-and-recipes/citrate-buffer-ph-3-to-6-2.
APA	AAT Bioquest, Inc. (2024, April 19). Quest Calculate™ Citrate Buffer (pH 3.0 to 6.2) Preparation and Recipe. AAT Bioquest. https://www.aatbio.com/resources/buffer-preparations-and-recipes/citrate-buffer-ph-3-to-6-2.
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This online tool has been cited in 2 publications, including

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Journal: (2021): 012078

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Journal: Journal of Chemical Engineering and Industrial Biotechnology (2022)

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Citrate Buffer (pH 3.0 to 6.2) Preparation and Recipe

References

This online tool may be cited as follows

MLA

APA

This online tool has been cited in 2 publications, including