Sulfuric Acid 10%, 16oz
10% aqueous v/v solution — Useful for preparing metal surfaces prior to applying patina chemicals. A 5 to 6 hours soak serves to remove any traces of surface dirt or oil. Restricted to Standard Ground only. NC-2802
$22.95Search Products
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Chromium Potassium Sulfate, 100g
Lab grade — Also called Chrome Alum, consists of dark, violet-red crystals which are soluble in water. Note: crystals are efflorescent, losing combined water molecules, which results in some hard chunks. Uses: fixing certain photographic baths, as a mordant in textile dyeing, in ceramic glazes and growing colorful crystals. NC-6325
$12.95
Zinc Sulfate Powder, 100g
Granular Powder, ACS — A colorless, odorless granular material. Astringent, metallic taste, efflorescent. This Zinc Sulfate is NOT a dietary supplement. It is a powder used in science labs and is NOT in tablet form. Not meant for internal use. We do not have the Zinc Sulfate supplement. NC-6782
$13.95
Chromium Potassium Sulfate, 500g
Lab grade — Also called Chrome Alum, consists of dark, violet-red crystals which are soluble in water. Note: crystals are efflorescent, losing combined water molecules, which results in some hard chunks. Uses: fixing certain photographic baths, as a mordant in textile dyeing, in ceramic glazes and growing colorful crystals. NC-9435
$29.95
Gift Wrap
Please indicate the number of items you wish us to gift wrap at $5.95 for each item. Telescopes are already gift boxed and are excluded.
$5.95
Hexanes, ACS, 4L
ACS Reagent grade — The contaminant-free purity of ACS Reagent Grade Hexanes is desired as a special-purpose nonpolar solvent, particularly in extracting oils from plant matter. Restricted to Standard Ground only. Adult signature required. HazMat fee applies. NC-12886
$72.50
Chromium Potassium Sulfate, 2.5kg
Lab grade — Also called Chrome Alum, consists of dark, violet-red crystals which are soluble in water. Note: crystals are efflorescent, losing combined water molecules, which results in some hard chunks. Uses: fixing certain photographic baths, as a mordant in textile dyeing, in ceramic glazes and growing colorful crystals. NC-13611
$89.95
Inlet or Thermometer Adapter, 14/20 Joint
With a compression cap and O-ring to form a vacuum tight seal. Accommodates 6 - 7.0mm O.D. thermometer. NC-13275
$19.95
Isopropyl Alcohol, 1 gal., HPLC-UV/USP/NF, 99.5%
HPLC-UV/USP/NF Grade in Fluorinated Poly Bottle — This isopropyl is made for routine High Performance Liquid Chromatography (HPLC) analysis. The high assay assures low residue after evaporation and low UV cut-offs with stable baselines. Certified assay result. Restricted to Standard Ground shipping only. Adult signature required. HazMat fee applies. NC-13418
$82.95
Citric Acid, Anhydrous, Food Grade, 500g
Food Grade, Anhydrous — A colorless and odorless powder with a strong acid taste. It is very soluble in water and alcohol. NC-0222
$12.95
Sodium Thiosulfate, Pentahydrate, 2.5kg
Lab grade — Appears as white, translucent crystals. Soluble in water, insoluble in alcohol, absorbed in moist air. Used in several patina formulas. See More Info for formula list. NC-2725
$49.95
Citric Acid, Anhydrous, Food Grade, 2.5kg
Food Grade, Anhydrous — A colorless and odorless powder with a strong acid taste. It is very soluble in water and alcohol. NC-7943
$49.95