How can you tell if silica gel is coated with cobalt chloride?

BLUE INDICATING SILICA GEL The cobalt chloride is a deep-blue color when dry and turns from blue to pink as it becomes saturated.

Is silica gel banned in US?

No, it has not been banned from use. Why should I take additional precautions? The dust from all types of silica gel is an irritant.

What does it mean when desiccants are blue?

Silica gel blue is an option for controlling moisture which contains cobalt chloride in it. When silica gel absorbs moisture, its beads color change from blue to purple to pink, this indicates that the gel needs to be replaced or regenerated. The reason behind is cobalt chloride.

What is the commercial use of silica gel?

Silica gel is sometimes used as a preservation tool to control relative humidity in museum and library exhibitions and storage. Other applications include diagnostic test strips, inhalation devices, syringes, drug test kits, and hospital sanitation kits.

Should I throw away silica gel?

Don’t throw these away: Silica gel bags. Silicon dioxide dries out anything around them. Non-toxic, not poisonous, they do pose a choking hazard. Keep them away from children.

What is non indicating silica gel?

Non-Indicating silica gel will not change its color while absorbing moisture. This is commonly used in packets. Mainly, White silica gel beads and crystals come under the non-indicating category. Also, white silica gel helps in preventing moisture, spoilage, and growth of mold from packaging materials.

Which silica gel is best?

Blue indicating silica gel contains cobalt chloride and has been banned by the EU. On the other hand, orange silica gel is non-toxic and is widely used in the EU. It works best at room temperature and has a variety of applications where visual control of moisture is necessary.

What is the cost of silica gel?

Generic Silica Gel (5g, Pack of 80, White)

Are all silica gel the same?

However, a quick and important note, not all indicating Silica gel is the same. Some vendors make their gels change color by adding cobalt (II) chloride to the product. Instead, it markets indicating gels that use different substances that provide color changes safely and easily.

Who is the founder of silica gel products?

Silica Gel Products Mfg.Co. – Specialize in Adsorbent & Desiccants. The story of Silica Gel Products Mfg. Co. goes way back to 1992 founded by Mr. Harish N Gandhi. The company has gone on to become India’s pioneer manufacturer of SILICA GEL and Silica Gel related Products…..

What kind of color does silica gel have?

This silica gel is a bead or granule that has been washed with a concentration of cobalt chloride (a heavy metal salt). The cobalt chloride is a deep-blue color when dry and turns from blue to pink as it becomes saturated.

When did European Union ban blue indicating silica gel?

In 1998, the European Union prohibited Blue Indicating Silica Gel (which contains cobalt chloride, a known human toxin) from being sold within European markets.

What makes a bulk silica gel indicate desiccant?

Indicating desiccant does this by changing color as it becomes increasingly saturated with moisture. Indicating silica gel is chemically treated to transition from one color to another as it adsorbs moisture and eventually saturates. This trait makes bulk silica gel ideal for removing moisture from air and gases.