Recent content by chemisttree

Peroxide would potentially oxidize any low valent copper but since copper sulfate is already oxidized (+2), nothing will happen. Peroxide works as a bleaching agent for organic stains which typically have extended pi bond systems but the color in metal compounds are inherent to their frontier...

I see. You are referring to plastics and not PFAS compounds.

I wouldn’t worry too much about it. Some people just dump it into ponds! https://www.agrisupply.com/crystal-blue-copper-sulfate-smart-crystals/p/54481/

It is not my experience that PFAS remediation and the establishment of exposure limits are being driven by governments or health bodies. It is also not my experience that PFAS chemicals are naturally broken down in the environment or that the science around the issue is of poor quality. Please...

We (USAF) have been operating under the assumption that the EPA’s recommendation of 70 ppT would eventually become an MCL.

We’re hearing that EPA is getting ready to publish an MCL for drinking water of 40 parts per trillion. Expecting this by late Summer or Fall. When that happens all H is going to break loose. This will go nationwide, so it’s coming to a water district near you! Good time to be in the...

The stars might be round because they are significantly dimmer than the satellite. Their round appearance was an image built up from an extended exposure for which the vibration contributed very little.

How does your mass spectrometer separate the various fragments after ionization?

Life finds a way

“TOTAL ION CHROMATOGRAM” Good search term

My point was that the humidifier may be unnecessary and you could boil water on the stove instead. No pathogens or mineral aerosols.

how much water does your humidifier use per day? A gallon? Why not just boil some tap water on the stove?

PSIA or PSIG?

It’s a trick question! White haired women are too old to have children! Are the man and woman homozygous or heterozygous?

Heavy water surface tension is essentially the same as regular water. No such thing as light water unless you call regular water “light”. You need to dissolve something in water to disrupt the network of hydrogen bonding to change surface tension. Alcohols, surfactants do that. Edit: I see...