Ag8n 17 research notes and 17 wiki edits | Joined over 1 year ago

Retired, after 28 years, as an analytical chemist from a major pharmaceutical corporation.











Is Lego Spectrometer Kit able to detect Glucose?

kokoz asked about 8 months ago

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Can algae blooms be used for oil production?

Ag8n asked about 9 months ago

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Dissolved Oxygen Testing and Citizen Science

belkinsa asked about 10 months ago

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What would be the day to day use of spectroscopy?

TK_Siddharth asked about 10 months ago

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Sanity check for air sensors

Ag8n asked about 11 months ago

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Anyone working on environmental lead exposure / poisoning?

read_holman asked about 11 months ago

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Mini video recorder

Ag8n asked about 12 months ago

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Are there any DIY equipment that measure dissolved oxygen levels in water?

belkinsa asked about about 1 year ago

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What is a good way to track vehicular traffic?

stevie asked about about 1 year ago

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Most accurate spectrographs?

jneish asked about about 1 year ago

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Best light source for spectrometer?

jneish asked about about 1 year ago

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How to measure nutrient concetration in hydroponic system?

Aleksi12358 asked about about 1 year ago

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What Are Some Important Tools/Resources in an Environmental Emergency Response?

Bronwen asked about about 1 year ago

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Who do you contact on stormwater concerns?

stevie asked about about 1 year ago

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What are sources of stormwater pollution?

stevie asked about about 1 year ago

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Diffraction grating (200nm - 400nm) & Light, Vendor/Source Identification

darkdimension asked about about 1 year ago

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Can you detect pvc microplastics with a nvdi camera?

Ag8n asked about about 1 year ago

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Has anyone experienced measuring and analyzing microplastics?

niklasjordan asked about about 1 year ago

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Would using a kite messenger system help with mapping?

Ag8n asked about about 1 year ago

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View these maps at MapKnitter.org »

Title Creation date Image

Comments

Comment Last activity Moderation
"A word of warning. A number of tests have been developed along this line. This includes the lowry, bradford, LEAP (latex Elisa for allergenic prot..." | Read more » 8 months ago
"Another good way to quantitate sugars is with a refractometer. They are pretty cheap and often used in wineries. " | Read more » 8 months ago
"The purple air monitors have a low r2 value for the pm10 testing. This may lead to the skewing that you are talking about. I corresponded with th..." | Read more » 8 months ago
"In wwii, they had a kytoon ( a mixture kite and balloon for lifting emergency antennas)for downed airman. They show up now and then in the sur plu..." | Read more » 8 months ago
"Sir, This may be a dumb question, and if so, I apologize. Most raw data has anomalous data included. How would a newcomer detect the anomalous da..." | Read more » 9 months ago
"There are a number of parts to six sigma. The different parts go from statistical analysis to design of experiment (DOE). While there are some bus..." | Read more » 9 months ago
"One industry program for statistics ( or sadistics, as a nicname) is six sigma. This is a relatively expensive program that includes ( not kidding..." | Read more » 9 months ago
"You know, there is a type of visible reflectance done often. It's the type used for paint matching in hardware stores and other similar places. T..." | Read more » 9 months ago
"The most common place for reflectance work is in infra-red(IR) and near infra-red (NIR) work. In the NIR, this is called NIRR. With IR, the most ..." | Read more » 9 months ago
"Thank you for your reply.  The problem is in the midwest/great lakes area.  This is fresh water.  For whatever reason, there has been an overly hig..." | Read more » 9 months ago
"My background is mostly industrial- specifically pharmaceutical. So much of the testing was guided by something like The USP. The instruments were..." | Read more » 10 months ago
"Sorry for the delay in answering. Spectroscopy is used many places in industry and medicine. For example, a variation of visible spectrometry is ..." | Read more » 10 months ago
"Is there anyway the water temperature can be measured? In one of these cases, the claim was that the DO was lower due to increased temperature. T..." | Read more » 10 months ago
"I agree that the original data should be used. But, if the sanity check is not zero, that result should also be recorded, or at least noted. " | Read more » 11 months ago
"My major concern is about water. Yes, we have 5 gal jugs of water on hand. But only a few of them. We live in a rural area, and in a power outag..." | Read more » 11 months ago
"It has been strange to track FEMA over the years. Initally, say 30 years ago, they said you needed three days of food and water. Then it changed ..." | Read more » 11 months ago
"The problem is the dilute vinegar they provide won't penetrate all materials ( i.e. Not all kinds of paint, not all kinds of plastic, etc.). So yo..." | Read more » 11 months ago
"Nice sharp lines on the neon spectrum! Good job! " | Read more » 11 months ago
"Thank you for the answer! " | Read more » 11 months ago
"As for what method can do soil, paint, water, etc. Edxrf has a big problem with water. Water absorbs xrays. You can get around this by evaporati..." | Read more » 11 months ago
"As for what method can do soil, paint, water, etc. Edxrf has a big problem with water. Water absorbs xrays. You can get around this by evaporati..." | Read more » 11 months ago
"As for difficulty: Worst is ICP- ME ICP-OES GFAA AS EDXRF Wet chemical Easiest Many of the wet chemical methods can only detect heavy metals as le..." | Read more » 11 months ago
"Read- ICP-MS is the premier method.no doubt. But you pay for it. I'm second place is ICP-OES (ICP-optical emission spectrometry). Pretty much th..." | Read more » 11 months ago
"I'd be happy to help. Give me some time to look it over. I've worked extensively with EDXRF, but mostly the desktop (read R&D) variety. Only..." | Read more » 11 months ago




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