"The Pit is an incredible dive site in Tulum Mexico. A fresh water sinkhole with unlimited visibility a hydrogen sulfide layer (aka 'the cloud') and an 'island' of debris (with it's own tree which you can see in the picture)" says photographer Tom St George.

Tom St George ( photographs the Cenote El Pit in writing "The pit is fresh water sinkhole with unlimited visibility a hydrogen sulfide layer (aka 'the cloud') and an 'island' of debris (with it's own tree).

A Spectral Shift-Based Electrochemiluminescence Sensor for Hydrogen Sulfide

A Spectral Shift-Based Electrochemiluminescence Sensor for Hydrogen Sulfide

Danger, POISONOUS GAS HYDROGEN SULFIDE, 10X14, PS Vinyl

Danger, POISONOUS GAS HYDROGEN SULFIDE, 10X14, PS Vinyl

National Marker OSHA Danger Chemical and Hazmat Signs Chemical and Hazardous Material Signs Post signs around your facility identifying areas where hazardous chemicals and other materials are s

Salmonella-Shigella plates

Salmonella-Shigella (SS) contain lactose, bile salts, ferric citrate, and…

A hydrogen sulfide bloom (green) stretching for about 150km along the coast of Namibia. As oxygen-poor water reaches the coast, bacteria in the organic-matter rich sediment produce hydrogen sulfide which is toxic to fish. (The image is taken from a bird's eye view.)

The light green seen here along Namibia's coast is not from phytoplankton bloom, but from hydrogen sulfide emissions.

Pre- and postconditioning the heart with hydrogen sulfide (H2S) against ischemia/reperfusion injury in vivo: a systematic review and meta-analysis

Pre- and postconditioning the heart with hydrogen sulfide (H2S) against ischemia/reperfusion injury in vivo: a systematic review and meta-analysis

Sulfur on a rock caused by volcanic gas/ Hydrogen sulfide often results from the microbial breakdown of organic matter in the absence of oxygen gas, such as in swamps and sewers; this process is commonly known as anaerobic digestion.

Sulfur on a rock caused by volcanic gas/ Hydrogen sulfide often results from the microbial breakdown of organic matter in the absence of oxygen gas, such as in swamps and sewers; this process is commonly known as anaerobic digestion.

Hydrogen sulfide greatly enhances plant growth: Key ingredient in mass extinctions could boost food, biofuel production -- ScienceDaily

Hydrogen sulfide greatly enhances plant growth: Key ingredient in mass extinctions could boost food, biofuel production

Hydrogen sulfide greatly enhances plant growth: Key ingredient in mass extinctions could boost food, biofuel production -- ScienceDaily

Bowel Wars: Hydrogen Sulfide vs. Butyrate. eating plant fiber will produce butyrate-so there is no need for animal source butyrate.

Sulfur dioxide preservatives in dried fruit, sulfites in wine, and the putrefaction of undigested animal protein in the colon can release hydrogen sulfide, the rotten egg gas associated with inflammatory bowel disease.

KXL - 802 Hydrogen Sulfide Gas H2S Detector

KXL - 802 Hydrogen Sulfide Gas H2S Detector

This is the Cenote Angelita river in Mexico. Like many other rivers in the world, you can find trees & leaves along its banks. Notice that little guy to the left of the picture? That's a scuba diver. Because unlike other rivers, this one is underwater. The "river" is made of  a layer of hydrogen sulfide which separates a layer of salt water below from a layer of fresh water above. The river was discovered by divers who entered the 200 ft deep Cenote Angelita cave in Mexico.

Ditemukan Sungai Dalam Lautan

These incredible pictures were taken by Anatoly Beloshchin in the cave Cenote Angelita, a hidden underwater river flows through the ocean in Mexico.

Hydrogen Sulfide (H2S) Calibration Gas - 10 PPM/N2

Hydrogen Sulfide (H2S) Calibration Gas - 10 PPM/N2

Hydrogen Sulfide 25 PPM, Carbon Monoxide 100 PPM, Pentane 25% LEL (0.35%), Oxygen 19%, Nitrogen Balance, 34L Calibration Gas

Hydrogen Sulfide 25 PPM, Carbon Monoxide 100 PPM, Pentane 25% LEL (0.35%), Oxygen 19%, Nitrogen Balance, 34L Calibration Gas

Cross Over List for CalGaz - 10058172

Caution, HYDROGEN SULFIDE GAS MAY BE PRESENT, 10X14, .040 Aluminum

Caution, HYDROGEN SULFIDE GAS MAY BE PRESENT, 10X14, .040 Aluminum

Hydrogen Sulfide, Be Present, Smoking, Vinyls, Markers, Welding, Presents, Gifts, Sharpies

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