Hello, my dears, First of all: I ask that you only reply if you really know about it or have been affected yourself. I went to the doctor at the beginning of the week to have my blood drawn. My doctor called today and told me that my iron levels are too high (190) //…
Hello everyone, I don't want to be annoying but I really need your help on a very important topic (for me). I have done some research on the internet and I would like to strengthen my hair gel a lot By making it a lot stickier. (I really need it urgently because it is a…
Hello everyone, I found a red-stained handkerchief in my yard. I'm wondering if it's blood or just paint. Where could I send it for testing? Thank you very much for the answers.
Hello, I've already done some research, and so far I've found that simple urine tests apparently don't show up when taking zopiclone and zolpidem as Z-benzodiazepines. But what about urine screening in the lab to prove abstinence as part of the MPU?
I am in a correctional facility and last week my girlfriend visited me and we slept together. Now, five days later, I had a urine test which was also sent to the lab. Is it possible that the test is positive?
I would like to know if the 50 ng test is negative, when is the urine so clean that a lab won't find anything?
Hello everyone, I had to take a 24-hour urine collection test (canister) because my urine foams a lot and the protein content needs to be determined. The canister doesn't contain any additives. In addition to the canister, the practice gave me two suction syringes, into which I then drew the collected urine at the end…
1. In biology there are four security levels. Are there also security levels in chemistry? 2. If so, in which areas are chemical laboratory technicians without further training (oFuW) authorized to run chemical laboratories? 3. Are chemical laboratory technicians (oFuW) allowed to operate their own private chemical laboratory and conduct any private research?
Are there alternatives to the skin test?
An isotope of an element has the same number of protons and electrons and therefore the same properties. It just has more mass because it has more neutrons. But how does that work? Only through artificial procedures in the laboratory? And when and how are certain isotopes radioactive? Does the "parent element" also have to…
What does a protective coating need to be made of to be sufficiently resistant to hydrochloric acid? And where can you buy one? And the same goes for gloves and masks. What do they have to be like? Lg
Hello everyone I had a vasectomy, after which my sperm was analyzed in the lab to ensure the success of the treatment. The results included the following: "No sperm were found in 200 fields of view in the native preparation:" What do these "200 fields of view" mean?