Sparging Stones FAQ – MicroSolv Technology Corporation

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Are the MicroSolv sparging stones good for “ozonating” water.

Yes, you can use any of our stainless steel sparging stones with ozone to “ozonate” water. It is recommended to use 10um pore size stones. Click here to learn more about our sparging stones

Are the sparging stones made with a nitric acid rinse?

The sparging stones are manufactured without using nitric acid. Mobile Phase Filters Ordering Information

Best Sparging Stone Pore Size to use for Carbonating Applications.

A 10um Pore Size gives the best Air Bubbles for Carbonation Applications, such as Carbonated Beverages. A variety of product options are available for 10um sparging stones, such as different diameters and fitting types (Click HERE for Ordering Information). In this type of application, they are mostly installed and fixed directly to a sparging line, […]

Can I use SS tubing with my MicroSolv sparging stone?

Our sparging/filter stones are designed to work with low pressure tubing such as PTFE, FEP, ETFE, or PFA. We offer two types of sparging devices. One type is will require the tubing to be inserted and screwed into the sparging stones. Inside there are small, sharp chads or barbs that grips into the soft tubing holding it in place. If tubing […]

Can you use a Sparging Stone for Removal of Dissolved Oxygen? FAQ

Yes, Sparging Stones have been shown to remove dissolved Oxygen (or CO2) from Water or Wine. The efficiency of Sparging is influenced by many factors, such as Bubble Size, Contact Time between the Gas and Wine, Temperature of the Wine, Gas Pressure, and the Flow Rate of Gas in relation to the Flow Rate of […]

Considerations for keeping gases dissolved in solution when using sparging stones for HPLC.

Question: I am using the sparging stones (MTC catalog# 48222-06) in my production lines feeding nitrogen into solution. After switching to a bigger dish with more volume, I noticed that the concentration of nitrogen does not reach the same level anymore. What can you suggest for a sparging stone that can handle higher flow rates (current method around […]

How To Clean Sparging Stones and Inline SS Filters.

Inlet Stainless Steel Filters also known as Sparging Stones, can be cleaned by ultra-sonication in 30% Phosphoric Acid, clean afterwards with DI Water (ultra-sonication) and Methanol (ultra-sonication). Same would be true for all Metal Filters, like for Column Filters, Inlet Filters and more. But be aware, only the metal part! No PEEK Rings, Connectors or […]

Is Stainless Steel or Titanium Better for Mobile Phase Inlet Filters?

Stainless Steel is Suitable for most Applications but Titanium is recommended for Analyses Involving Biological Analytes and Matrices. Stainless Steel Inlet Filter Product Page

Tubing types compatible with HPLC Sparging Stones with “5-40” internal thread.

You can use the MicroSolv sparging stones that have an internal thread with 1/8″ OD (ID can be 1/16th or 1/8th) low pressure tubing (PTFE, PFA, FEP, Tefzel). There is no fitting needed. The internal thread of the stem acts with small barbs on it. To use the tubing, Insert the tubing into the hole on top of the stone, while […]

What is an “inlet sinker” in HPLC?

I am not exactly sure, but “inlet sinker” has been used as another name for stainless steel sparging stones or stainless steel inlet filters. This term may be used since the stones are heavy and sink to the bottom of the mobile phase inlet bottles. Click HERE for HPLC Mobile Phase Filtering Ordering Information Including Sparging Stones

What is the correct thread type and tubing to use with your filter sparging stones?

Our filter sparging stones have an internal thread of 5-40. These should be used with Low Pressure 1/8” or 1/16″ ID tubing. The threads are actually small barbs that grab onto the tubing, ensuring a secure fit. It may be important to use the internal threaded sparging stones instead of those with fittings to avoid the […]

What is the pH Range of 316 Stainless Steel Laboratory Tubing, Fittings and Sparging Stones? FAQ

The useful pH Range of 316 Stainless Steel Tubing, Fittings and Sparging Stones is 1 – 14. More information about stainless steel tubing

What is the pressure limit of the stainless steel sparging stones?

All the sparging stone products are rated to 1000 bar. However it is important to note that the tubing used and the connection of the tubing to the device may not perform at this pressure rating. The pressure limit of sparging stone is not for the filters/spargers, but for the connections. Mobile Phase Filters Ordering Information

Your sparging stones with stems are listed as 1/8 or 1/16″ ID. Shouldn’t this be OD?

In the case of certain types of the sparging stones, the ID of the stems fits around the OD of the low pressure tubing. The following schematic should clarify. The ID of the sparging stone stem and the OD of the low pressure tubing are the same (red lines). The OD of the sparging stone stem […]

Category: Sparging Stones FAQ