pH 4.00 Calibration - Atlas Scientific

Marsoni

M251S

$39.00

Get it in 3 business days with 1 day shipping. Friday, May 29

pH 4.00 Calibration - Atlas ScientificpH 4. 00 Calibration Atlas Scientific High accuracy sensors require high accuracy calibration solutions. Atlas Scientific pH calibration solutions are made using a four stage process to ensure the highest accuracy. If you need a certificate on analysis, just email support with the lot number and expiration date of your calibration solution. pH 4. 00 Works with any pH Probe 125ml (4oz) or 250ml (8oz) 0. 02 pH at 25C standardized against NIST certified

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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.
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I really liked the look and the buttons when I ordered it but I wound up returning only because I have to have a slim or fitted cut for any shirt to look good on me. This shirt did not hug me in the sides and looked like I was wearing someone else’s clothes. Nice shirt and good quality but it didn’t fit me personally. I did consider having it tailored but the cost of doing that was almost as much as the shirt.

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Reviewed in the United States on May 31, 2026

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Jason Stevens

Port Orchard, US

★★★★★ 5

Cool comfortable good looks

Color: Navy Blue, Size: X-Large

Nice fit really comfortable good color not a hot shirt

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Reviewed in the United States on May 18, 2026

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Elle Cooper

Birmingham, US

★★★★★ 5

Perfect for in the field or the office.

Color: Blue Gray, Size: XX-Large

Perfect for use in the field or in the office. Great quality and the fit was perfect!!

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Reviewed in the United States on May 17, 2026

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M. Bracke

Phoenix, US

★★★★★ 4

Good inexpensive shirt.

Color: Black, Size: X-Large

Nice shirt for the price. Good fit to size. Cotton/ poly blend. Does not wrinkle too bad after washing.

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Reviewed in the United States on December 8, 2025

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Robert

Chelsea, US

★★★★★ 1

Runs way too small

Color: Black, Size: Medium

If you live in the U.S. and wear medium, a large will fill you perfectly. I wear large and the “large” is objectively a medium in the chest arms and neck. Fix your sizes.

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Reviewed in the United States on February 28, 2026