Sodium Sulfate, Anhydrous, 500g

Sodium Sulfate, Anhydrous, 500g

Lab grade crystals, odorless. — Anhydrous sodium sulfate is used as a drying agent in organic synthesis. NC-6979

$12.95
Sodium Thiosulfate Pentahydrate 500g

Sodium Thiosulfate, Pentahydrate, 500g

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-0886

$12.95
Sodium Thiosulfate Pentahydrate 2.5kg

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
Stannous Chloride 100g

Stannous Chloride Test Solution Kit

This kit contains enough material to make 15 one ounce bottles of fresh stannous chloride test reagent for determining the presence of gold, silver, platinum, palladium, and iridium in solution. Concentrated hydrochloric acid is also required and is sold separately. NC-14858

$10.95
Stannous Chloride 100g

Stannous Chloride, 100g

Lab grade — Also known as Tin(II) Chloride and Tin Salt. Can be used to make a Gold Test Solution, as a mordant for dyes, as a soldering flux and in various manufacturing processes. Restricted to Standard Ground only. NC-7784

$24.95
Stannous Chloride 500g

Stannous Chloride Dihydrate, 500g

Lab grade — Also known as Tin (II) Chloride and Tin Salt. Can be used as a mordant for dyes, as a soldering flux and in various manufacturing processes. Restricted to Standard Ground only. NC-1398

$76.95
Strontium Chloride 100g

Strontium Chloride, 100g

Lab Grade, crystal — White with crystalline needles. Odorless with a sharp, bitter taste. Soluble in water and alcohol. It is a source of strontium salts and used in pyrotechnics and electron tubes. It gives a red flame color. NC-2718

$10.95
Strontium Chloride 500g

Strontium Chloride, 500g

Lab Grade, crystal — White with crystalline needles. Odorless with a sharp, bitter taste. Soluble in water and alcohol. It is a source of strontium salts and used in pyrotechnics and electron tubes. It gives a red flame color. NC-11609

$27.95
Sudan III, 125mL (4 oz.)

Sudan III, 125mL (4 oz.)

Sudan III is a dye having high affinity to fats, therefore it is used to demonstrate triglycerides, lipids, and lipoproteins in liquids. It will stain fat cells red. Comes packed in HDPE squeeze bottle with PP flip top cap for dispensing by the drop. Restricted to Standard Ground only. NC-3391

$19.95
Stannous Chloride 100g

Sulfamic Acid, 500g

Lab grade —  Sulfamic Acid is a white, non-hygroscopic solid which melts at 305°C, and is stable up to 260°C. Soluble in water. NC-13130

$19.95
Sulfur Powder 500g

Sulfur Powder, 500g

Tech grade, powder — A fine yellow powder that is insoluble in water, slightly soluble in alcohol. It is combustible and is commonly used in black gunpowder, matches and fireworks. Restricted to Standard Ground only. NC-0981

$14.95