Bromophenol Blue pH Indicator, 1 oz.
0.4% in Water — pH indicator, 3.0 (yellow) to 4.6 (blue). Also known as Bromphenol Blue. Comes packed in convenient squeeze bottle for dispensing by the drop. NC-13318
$7.95
Gram Stain Set, 4 x 4oz bottles
This Four Step Gram Stain Set consists of four chemicals, each in a handy four ounce plastic dropper top bottle. Standard Ground shipping only. NC-3249
$49.95
Acetic Acid, 6%, 16oz
Clear, colorless liquid having pungent (vinegar) odor. Miscible with water, alcohol, glycerin and ether. Used in patina formula No. 25 for Blue Green (For Cast Bronze). NC-2271
$18.95
Acetonitrile, 4L, HPLC/LC-MS
HPLC, ACS Grade — The contaminant-free purity of Acetonitrile is desired as a special-purpose protic solvent, particularly in high-performance liquid chromatography. Restricted to Standard Ground only. Adult signature required. HazMat fee applies. NC-13734
$139.95
Methylene Blue Stain, 1 oz.
Our methylene blue is a 1% aqueous solution. It is commonly applied to cells, tissues, and microorganisms to make them more visible under a microscope. Stains blue. Comes packed in LDPE squeeze bottle with streaming dropper tip plug. M-2123
$8.95
Acetic Acid, Glacial, 500mL
ACS grade, 99.7% min. — Used in our patina formula no. 18 for purple coloring effect. Restricted to Standard Ground only within continental USA and Canada. NC-6077
$39.95
Bromothymol Blue pH Indicator, 1 oz.
0.1% aqueous. pH indicator, 6.0 (yellow) - 7.6 (blue). Comes packed in convenient squeeze bottle for dispensing by the drop. NC-1949
$7.95
Isopropyl Alcohol, 1 gal., Technical, 99%
General Use Technical Grade — This grade and high concentration of Isopropyl is the optimum choice for thoroughly cleaning work surfaces and equipment in the healthcare and food processing industries. Restricted to Standard Ground - lower 48 states only. HazMat fee applies. NC-13697
$49.95
Magnesium Ribbon Roll, 25 to 31 grams
Roll length is a continuous piece approximately 75 feet long. Magnesium ribbon burns with a dazzling white flame. NC-12121
$8.95
Methylene Blue Stain, 4 oz.
Our methylene blue is a 1% aqueous solution. It is commonly applied to cells, tissues, and microorganisms to make them more visible under a microscope. Stains blue. Comes packed in LDPE squeeze bottle with streaming dropper tip plug. M-2124
$19.95
Red Litmus Paper - (Base test)
The red litmus will turn blue when it comes into contact with an alkaline solution above pH 8.3. Supplied in plastic snapcap container, about 100 paper strips per container. NC-0592
$1.70
Acetic Anhydride, 500mL
Purified, 97% — Acetic anhydride is an acyclic carboxylic anhydride derived from acetic acid. Restricted to Standard Ground only within continental USA and Canada. NC-13127
$29.95