AmScope Negative Stain Kit of Three Chemicals for Preparing Microscope Slides

SKU: SK-3N

Availability: Out of Stock

Regular price $23.99 $19.99

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Key Features

  • 3 Negative Stains in One Kit
  • 30 ml Hydrochloric Acid (1% in alcohol solution)
  • 30 ml Congo Red (1% aqueous solution)
  • 30 ml Formalin-Nigrosin Solution
  • Includes Safety Data Sheets

Three negative stains for staining sample backgrounds, as opposed to the specimens themselves. The stains are designed to increase contrast for brightfield microscopy. The kit includes safety data sheets and one 30 ml dropper bottle for each of the followings:

--Hydrochloric Acid (1% in alcohol solution)
--Congo Red (1% aqueous solution)
--Formalin-Nigrosin Solution

product condition NEW
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AmScope products are warranted against manufacturer’s defects in material and workmanship from the original date of purchase, for the following years: 


• Five Year Warranty for Microscopes: All our microscopes come with a five (5) year factory warranty against manufacturing defects, covering labor and parts. 
• Ten Year Warranty for Euromex Microscopes: All our Euromex microscopes come with a ten (10) year factory warranty against manufacturing defects, covering labor and parts.
• One Year Warranty for Telescopes: All our telescopes come with a one (1) year warranty, except when specified in the description. 
• One Year Warranty for Accessories: All our microscope accessories (USB cameras, illuminators, illumination, dust covers, and etc.) come with a one (1) year warranty, except when specified in the description.
• One Year Warranty for Items labeled as “Product Ships From Manufacturer”: All products that are shipped directly from the manufacturer come with a one (1) year warranty, except when specified in the description. 

Warranty does not apply for consumable accessories and parts such as bulbs, batteries, fuses, cords, optical components or any add-on accessories such as mechanical specimen holders that are not built into the microscope stage as an integral part of the original manufacture, etc. Warranty does not cover microscopes, lenses cameras or other accessories that have become inoperable due to dirt or damage due to misuse or lack of maintenance. 

Note: Buyers are responsible for return shipping and handling cost for warranty services. Our warranty covers parts and labor only.

Three negative stains for staining sample backgrounds, as opposed to the specimens themselves. The stains are designed to increase contrast for brightfield microscopy. The kit includes safety data sheets and one 30 ml dropper bottle for each of the followings:

--Hydrochloric Acid (1% in alcohol solution)
--Congo Red (1% aqueous solution)
--Formalin-Nigrosin Solution

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