SKU: 25181568384

Sartorius 14055--50------N Standard TTC NPS & gridded MF, 0.45µm, ⌀50 mm, 100/pk

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Description

Sartorius 14055--50------N Standard TTC NPS & gridded MF, 0.45µm, ⌀50 mm, 100/pkStandard TTC Nutrient Pad Sets for total colony count, 100 NPS in petri dishes, with 100 sterile membranes Sartorius Nutrient Pad Sets have been used successfully in the membrane filter method for more than 30 years. Practical and easy to handle, Nutrient Pads reduce labor and simplify many microbiological testing procedures. Microorganisms require the appropriate culture media for optimal growth. Nutrient Pad Sets are sterile, dehydrated culture

Standard TTC Nutrient Pad Sets for total colony count, 100 NPS in petri dishes, with 100 sterile membranes
Sartorius Nutrient Pad Sets have been used successfully in the membrane filter method for more than 30 years. Practical and easy to handle, Nutrient Pads reduce labor and simplify many microbiological testing procedures. Microorganisms require the appropriate culture media for optimal growth. Nutrient Pad Sets are sterile, dehydrated culture media. Once they are moistened with 3.0 – 3.5 ml of sterile and demineralized (or pure ) water they are ready-to-use immediately. The level of moisture is optimal when an excess ring of water surrounding the NPS is visible.

The standard NPS box contains 100 sterile Nutrient Pads, each of which is individually inserted in a petri dish and sterilized. Ten each of these petri dishes are sealed in an aluminum bag. This special packaging in bags protects the sensitive formula constituents of the Nutrient Pad during transport and storage from fluctuations in humidity and temperature. As a result, it guarantees the high quality of our NPS throughout their entire shelf life up to 24 months. This makes the Sartorius Nutrient Pads Sets unique: No other ready-to-use culture media around the globe assures such consistently high quality and reproducible results up to 24 months.

Compliance with International Standards: Currently, Sartorius offers more than 30 different Nutrient Pad Set types to meet the diverse requirements of microbiological analysis. Aside from the European drinking water directive, they comply with other international regulations and recommendations: international pharmacopoeias, DIN and ISO standards, the American Standards for Water and Foods, mineral water regulations, brewery guidelines, such as MEBAC or EBC, and recommendations of the food industry, such as LMBG, NCA and ICUMSA, etc.

Includes Membrane Filters: All Nutrient Pad Set types are supplied with the appropriate membrane filters, which are also individually sterile packaged. Nutrient Pad Sets are also available with Microsart® e.motion Membrane Filters which are specially designed for the Microsart® e.motion Dispenser and can be conveniently inserted. The membrane filters are then automatically removed from their sterile package. All membrane filters, tailored to meet the special requirements of microbial detection, are available with 47 or 50 mm diameter.

Trouble-free storage up to 24 month
Compliance with international standards and references
Validation guide available
Highly versatile -multiple applications
Economical – no time consuming and labor intensive preparation of nutrient media (sterilization, cleaning etc.)
Easy handling – no need for comprehensive microbiological testing equipment

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 25181568384

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Charny Schwartz
Alexandria, US
★★★★★ 5
Best I've tried in awhile
Size: 2.12 Ounce (Pack of 1)
I'm not allergic to it & didn't burn! Wasn't greasy, easy to apply. Worked great for face, neck, chest and arms. Wore for a week straight. Didn't clog pores or cause skin issues. Worked great as a sunscreen. Stayed solid enough in FL heat that TSA didn't confiscate. Double bonus
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Reviewed in the United States on May 25, 2026
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Ab
Carnegie, US
★★★★★ 5
Great sunscreen
Size: 2.12 Ounce (Pack of 1)
This is the creamiest best sunscreen ever. It's not greasy and it feels like it's definitely moisturizing and goes on super smoothly.
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Reviewed in the United States on May 27, 2026
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Amazon Customer
Alexandria, US
★★★★★ 5
Great all around sunscreen
Size: 2.12 Ounce (Pack of 1)
Love this product. I have dry skin and this is emollient but not greasy. Floats over my fave and feels just right while softening my fine lines. Light fragrance that’s not too much. I definitely recommend this for all skin types.
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Reviewed in the United States on April 12, 2026
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Zenia L
Phoenix, US
★★★★★ 1
Itchy, red rash
Size: 2.12 Ounce (Pack of 1)
I suspect that they are lying about the ingredients in this product. I have never reacted to any skincare products except for chemical sunscreens. This product claims to be a mineral based sunscreen but I had a terrible reaction to it. I have an itchy, red rash all over my face and arms that's been taking days to improve. I can't help but wonder if they are not disclosing all of the components of this product. I will be returning this product and requesting a refund.
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Reviewed in the United States on April 26, 2026
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Fallon Walters
Battle Creek, US
★★★★★ 5
Great product!
Great exfoliating product! Doesn’t hurt your skin, just takes the nice top dead layer of skin off. I prefer the white head solution because I feel it does more than the black head at taking off that layer of dead skin. I use it once a week and my face feels like a baby’s butt when I’m done!
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Reviewed in the United States on May 15, 2026

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