How much dry graphitic lubricant is in the Irish whiskey?
1 / 5 The US Geological Survey estimates that the average American whiskey contains about 20,000 metric tons of dry graphites, a mineral that’s hard to find in natural form in the US.
But the US government is not yet sure how much dry germanium, which is an isotope of silicon, is in that average whiskey.
According to the USGS, that amount of dry germium, a common ingredient in the American whiskey industry, is about 0.5 grams per liter.
“The amount of germanate used in Irish whiskey is estimated to be approximately 0.6 grams per l,” according to the agency’s latest assessment.
So while the US Geological survey is not sure how many grams of dry gauze lubricant are in the average whiskey, the agency has some evidence to back up its estimate.
The USGS has conducted research into the chemistry of germite, a rare, but common, mineral found in the soil and rock of many parts of the world.
It has found that the mineral has a wide range of isotopes, from trace elements such as radium to rare earths.
In addition to germites, the USSGS has found the following isotopes in Irish whiskies: carbonate minerals such as limestone and shale, and other rock types, including gypsum, sandstone, sand and clay.
This information has allowed researchers to make estimates about the amount of dried germanite and dry gauzy in Irish whiskeys.
A recent analysis of Irish whiskey samples collected in 2014 showed that approximately 0 to 0.7 grams of dried gauzy is present in Irish Whiskey.
And the amount in Irish whisky is likely smaller than what the USG estimates.
The average amount of gauzy used in the typical Irish whiskey production is between 1 and 1.5 gram per liter, according to USGS estimates.
That’s based on data collected from Irish distilleries in 2015 and 2016, which showed a range of 0.4 and 0.8 grams of gauzies per liter in whiskeys produced in those years.
A USGS spokesperson said the agency does not have a way to know for sure how often gauze is used in Ireland whiskey, but it does know that Irish whiskey producers use gauzy to lubricate pipes and to prevent them from cracking.
“Irish whiskey is not the only industry where gauze has been used in distillation,” the US spokesperson told Quartz.
“There is also a lot of gauze used to protect the whiskey from the elements, which may include water.”
It’s also possible that the US is missing out on a lot more gauze than it should be using.
“We don’t know exactly how many gauze are used, because we have no way to test this information,” the spokesperson said.