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The PST-mTips are patent-pending, ground-breaking metallic spray emitters for extremely robust both nanospray and microspray of a large range of buffer compositions and both positive and negative ion sprays.  They are direct replacements for the laser-pulled 360 um o.d. fused silica tips.  These emitters can also be “regenerated” after prolonged use and loss of spray, making them very long-lasting.

PST-mTip-25 : The 25 um i.d. mTips are suitable for flowrates from nanospray up to 2 uL/min

PST-mTip-50: The 50 um i.d. mTips are capable of very robust nanospray up to microspray of 10’s of uL/min.  Due to the potential of causing more dead volume than the PST-mTip-25, the PST-mTip-50 is used when the flow rates are above 2 uL/min.

For the performance of the PST-mTips in actual analyses, please view the results in an ASMS poster, and also results of the separations of fatty acids, lipids, and phosphorylated compounds provided by our user H-K Lim, PhD, of Janssen Research Labs.

The PST-patented plastic nozzles are especially good for samples in complex matrices.  They are completely non-clogging.  Each nozzle emitter comes with a 6 cm long, 20 um i.d. fused-silica capillary support with a tapered end that eliminates essentially all the dead-volume into the nozzle.  The nozzle may also be purchased by itself and be placed on the user-supplied fused silica 360 um o.d. capillary column with a tapered but flat-ended cut.

To view the brochure of these emitters, please click here.

To view the brochure of these emitters, please click here.

For US customers:

You may purchase with or without a PayPal account .  Just click on the “Add to Cart” button for the item or items you want to buy, and you will be transferred to the check out page where you will be able to increase the quantity. For multiple items to add to the order you need to go back to the items list page by clicking on the “continue shopping” link at the PayPal shopping cart page to select more items. You will again be brought to the check out page and the cart will be updated. When ready to check out, click on “View Cart” to go back to the PayPal shopping cart page and select “PayPal checkout” if you have a PayPal account, or select “Check Out” to pay with a major credit card.  Either way, you will be directed to the Paypal website, where you can complete the transaction using a major credit card.  Purchasing with Paypal is easy and one of the most secure way to purchase on line. All the prices include shipping within the United States

If you need any assistance with any transactions, or prefer to conduct the transaction off-line, please contact us by email or phone.  We accept all major credit cards.

For International customers outside of the US:

Due to the complex online eCommerce rules and regulations that differ from country to country, we regret that we cannot offer online purchase for the following items at this time.  Please contact your local distributors listed on the CONTACT US page, or it there is none listed for your country, contact us directly by filling out the contact form.  You can still purchase these items off-line but at prices that are appropriate to your local environment.


Items part number Description Price (in US $) Buy Now
PST-mTip- 25-5 360 um o.d., 25 um i.d. metal emitter, 5 cm long, 3/box $320



PST-mTip- 25-9.8 360 um o.d., 25 um i.d. metal emitter, 9.8 cm long, 3/box for the PST-ES- M-N micro/nanospray source $320



PST-sTip- 20-9.8 Conventional laser-pulled fused silica emitter, 360 um o.d., 20 um i.d. , 9.8 cm long, 5/box, fits the PST-ES- M-N micro/nanospray source $125



PST-mTip- 50-5 360 um o.d., 50 um i.d. metal emitter, 5 cm long, 3/box $320



PST-mTip- 50-9.8 360 um o.d., 50 um i.d. metal emitter, 9.8 cm long, 3/box for the PST-ES-M-N micro/nanospray source $320



PST-sTip-50-9.8 Conventional laser-pulled fused silica emitter, 360 um o.d., 50 um i.d., 9.8 cm long, 5/box for the PST-ES- M-N micro/nanospray source $125



PST-NozTip Patented polypropylene nozzle emitter, 20 um i.d., 50 um o.d. to be attached to the end of a 5 cm long 360 um o.d. 20 um i.d., fused silica capillary without fitting to form a liquid-tight junction, 3/box $320



PST-uLC-3u-10 3 um particles, 0.3 mm i.d. all stainless steel column of a wide range of phases and pore sizes, including C18, C3, C4, HILIC (amide) etc. 10 cm long. Contact us about the exact phases and particle size you need or a different length of 20 and 30 cm. $620-$850

PST-uLC-3u-10



PST-uLC-1.8u-10 1.8 micron, 0.3 mm i.d. column of a wide range of phases, 10 cm or 20 cm long. Coming soon! Coming soon!