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

$12.95
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
Starch, Soluble, Powder, Potato, Reagent Grade, 100g

Starch, Soluble, Powder, Potato, Reagent Grade, 100g

Reagent grade — Appears as white amorphous, tasteless powder. Irreversible gel formation occurs in hot water; swelling can be induced at room temperature with such compounds as formamide, formic acid, and strong bases and metallic salts. NC-13032

$12.95
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
Sulfur Powder 500g

Sulfur Powder, 2.5Kg

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-9796

$39.95
Sulfuric Acid 10% 16oz

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

$19.95
Sulfuric Acid, Concentrated, 16oz

Sulfuric Acid, Concentrated, 16oz

ACS reagent grade, concentrated — A strongly corrosive, dense, oily liquid. Miscible with water and very reactive. It dissolves most metals and is a strong irritant to tissue. Restricted to Standard Ground only. NC-1248

$26.95