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Fixatives - Glutaraldehyde, Formaldehyde & Osmium Tetroxide

Ladd Research stocks a wide variety of fixatives for applications in microscopy; including, Glutaraldehyde, formaldehyde, osmium tetroxide and buffered glutaraldehyde solution fixatives.

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70% Aqueous EM Grade Glutaraldehyde

Glutaraldehyde , 70% Aqueous - EM Grade

High purity, electron microscopy grade glutaraldehyde. Ampules and cryules packaged 10 per box.

Starting at: $39.95

2% Glutaraldehyde in 0.1 M Sodium Cacodylate Buffer, pH 7.4

2% Glutaraldehyde in 0.1 M Sodium Cacodylate Buffer, pH 7.4

For our customers' convenience, we now offer ready-to-use buffered EM grade glutaraldehyde (and several glutaraldehyde/formaldehyde) solutions.

Starting at: $189.95

2.5% Glutaraldehyde in 0.1 M Phosphate Buffer, pH 7.4

2.5% Glutaraldehyde in 0.1 M Phosphate Buffer, pH 7.4

For our customers' convenience, we now offer ready-to-use buffered EM grade glutaraldehyde (and several glutaraldehyde/formaldehyde) solutions.

Starting at: $194.95

2.5% Glutaraldehyde in 0.1 M Sodium Cacodylate Buffer, pH 7.4

2.5% Glutaraldehyde in 0.1 M Sodium Cacodylate Buffer, pH 7.4

For our customers' convenience, we now offer ready-to-use buffered EM grade glutaraldehyde (and several glutaraldehyde/formaldehyde) solutions.

Starting at: $189.95

3% Glutaraldehyde in 0.1 M Phosphate Buffer, pH 7.4

3% Glutaraldehyde in 0.1 M Phosphate Buffer, pH 7.4

For our customers' convenience, we now offer ready-to-use buffered EM grade glutaraldehyde (and several glutaraldehyde/formaldehyde) solutions.

Starting at: $199.95

3% Glutaraldehyde in 0.1 M Sodium Cacodylate Buffer, pH 7.4

3% Glutaraldehyde in 0.1 M Sodium Cacodylate Buffer, pH 7.4

For our customers' convenience, we now offer ready-to-use buffered EM grade glutaraldehyde (and several glutaraldehyde/formaldehyde) solutions.

Starting at: $199.95

3% Glutaraldehyde in 0.1 M Phosphate Buffer, pH 7.2

3% Glutaraldehyde in 0.1 M Phosphate Buffer, pH 7.2

For our customers' convenience, we now offer ready-to-use buffered EM grade glutaraldehyde (and several glutaraldehyde/formaldehyde) solutions.

Starting at: $173.95

4% Glutaraldehyde in 0.1 M Phosphate Buffer, pH 7.3

4% Glutaraldehyde in 0.1 M Phosphate Buffer, pH 7.3

For our customers' convenience, we now offer ready-to-use buffered EM grade glutaraldehyde (and several glutaraldehyde/formaldehyde) solutions.

Starting at: $169.95

2% Glutaraldehyde, 2% Formaldehyde in 0.1 M Phosphate Buffer, pH 7.4

2% Glutaraldehyde, 2% Formaldehyde in 0.1 M Phosphate Buffer, pH 7.4

For our customers' convenience, we now offer ready-to-use buffered EM grade glutaraldehyde (and several glutaraldehyde/formaldehyde) solutions.

Starting at: $194.95

2.5% Glutaraldehyde, 1% Formaldehyde in 0.1 M Phosphate Buffer, pH 7.4

2.5% Glutaraldehyde, 1% Formaldehyde in 0.1 M Phosphate Buffer, pH 7.4

For our customers' convenience, we now offer ready-to-use buffered EM grade glutaraldehyde (and several glutaraldehyde/formaldehyde) solutions.

Starting at: $189.95

3% Glutaraldehyde, 3% Formaldehyde in 0.1 M Phosphate Buffer, pH 7.4

3% Glutaraldehyde, 3% Formaldehyde in 0.1 M Phosphate Buffer, pH 7.4

For our customers' convenience, we now offer ready-to-use buffered EM grade glutaraldehyde (and several glutaraldehyde/formaldehyde) solutions.

Starting at: $99.95

4% Glutaraldehyde in 0.1 M Sodium Cacodylate Buffer, pH 7.4

4% Glutaraldehyde in 0.1 M Sodium Cacodylate Buffer, pH 7.4

For our customers' convenience, we now offer ready-to-use buffered EM grade glutaraldehyde (and several glutaraldehyde/formaldehyde) solutions.

Starting at: $174.95

5% Glutaraldehyde in 0.1 M Phosphate Buffer, pH 7.4

5% Glutaraldehyde in 0.1 M Phosphate Buffer, pH 7.4

For our customers' convenience, we now offer ready-to-use buffered EM grade glutaraldehyde (and several glutaraldehyde/formaldehyde) solutions.

Starting at: $169.95

2% Glutaraldehyde in 0.1 M Phosphate Buffer, pH 7.4

2% Glutaraldehyde in 0.1 M Phosphate Buffer, pH 7.4

For our customers' convenience, we now offer ready-to-use buffered EM grade glutaraldehyde (and several glutaraldehyde/formaldehyde) solutions.

Starting at: $179.95

0.625% Glutaraldehyde in 0.1 M Phosphate Buffer, pH 7.4

0.625% Glutaraldehyde in 0.1 M Phosphate Buffer, pH 7.4

For our customers' convenience, we now offer ready-to-use buffered EM grade glutaraldehyde (and several glutaraldehyde/formaldehyde) solutions.

Starting at: $174.95

50% Aqueous EM Grade Glutaraldehyde

Glutaraldehyde - 50% Aqueous - EM Grade

High purity, electron microscopy grade glutaraldehyde. Ampules and cryules packaged 10 per box.

Starting at: $30.95

25% Aqueous EM Grade Glutaraldehyde

Glutaraldehyde - 25% Aqueous - EM Grade

High purity, electron microscopy grade glutaraldehyde. Ampules and cryules packaged 10 per box.

Starting at: $40.95

Glutaraldehyde - 10% Aqueous - EM Grade

Glutaraldehyde - 10% Aqueous - EM Grade

High purity, electron microscopy grade glutaraldehyde. Ampules and cryules packaged 10 per box.

Starting at: $33.95

8% Aqueous EM Grade Glutaraldehyde

Glutaraldehyde - 8% Aqueous - EM Grade

High purity, electron microscopy grade glutaraldehyde. Ampules and cryules packaged 10 per box.

Starting at: $31.95

Biological Grade Glutaraldehyde

Biological Grade Glutaraldehyde

Biological grade glutaraldehyde. A good all purpose fixative for less demanding applications.

Starting at: $27.95

EM Grade Glutaraldehyde in Anhydrous Methanol, Ethanol or Acetone

Glutaraldehyde - EM Grade - in Anhydrous Methanol, Ethanol or Acetone

High purity, electron microscopy grade glutaraldehyde. Particularly useful in freeze substitution techniques and in processes that require minimal water.

Starting at: $23.95

20% Formaldehyde (Methanol-Free)

20% Formaldehyde (Methanol-Free)

Distilled from a basic aqueous solution of paraformaldehyde, making it ultra-pure and free of additives and preservatives. Ampules and cryules packaged 10 per box.

Starting at: $36.95

20310L - 10% Formaldehyde (Methanol-free) - 1 liter Bottle

20310L - 10% Formaldehyde (Methanol-free) - 1 liter Bottle

Distilled from a basic aqueous solution of paraformaldehyde, making it ultra-pure and free of additives and preservatives. Ampules and cryules packaged 10 per box.
$109.95
Osmium Tetroxide, AR Grade, Crystals

Osmium Tetroxide, AR Grade, Crystals

Very High Purity - 99.995% Color - Pale Yellow Boiling Point - 129.7oC Formula Weight - 254.2 Vapor Pressure @ 25oC - 9.8mm Hg Solubility (25oC Water) - 5.07% Solubility (90oC Water) - 6.5%

Starting at: $27.95

55050 - 37% Formalin - 450 ml Bottle

55050 - 37% Formalin - 450 ml Bottle

General purpose fixative. Contains preservatives.
$41.95
Paraformaldehyde

55080 - Paraformaldehyde - 500 g

Solid material from which formaldehyde is prepared.
$29.95
Osmium Tetroxide, 4% (w/v) Aqueous Solution

Osmium Tetroxide, 4% (w/v) Aqueous Solution

Fixative in convenient-to-use ampules. Significantly reduces hazard of working with crystalline material.

Starting at: $9.95

20245 - Karnovsky's Fixative EM Grade - 1 liter

20245 - Karnovsky's Fixative EM Grade - 1 liter

3.0% Glutaraldehyde, 2.0% Formaldehyde in 0.1M Phosphate buffer, pH 7.4
$289.95

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Electron Microscopy Supplies