| Subject | Date Asked |
| Phytoestrogens | 2/21/2010 |
| Q: I've looked all over the web, and have yet to find a clear answer. Does soy lecithin contain any ... A: and thanks for your question. The first thing I would say is not to worry, there is no evidence ... | |
| Sodium Hydroxide | 2/18/2010 |
| Q: I would like to make home made soap and my recipi stresses that I must use pure Sodium Hydroxide The ... A: and thanks for your question. 98% Sodium Hydroxide is as close to pure as is available, and works ... | |
| Evaporating liquid | 2/15/2010 |
| Q: Good morning, I am looking for a non-toxic and non flammable liquid that also evaporates, do you ... A: and for the further information. Whilst I can't, of course, guarantee, that any particular method ... | |
| Evaporating liquid | 2/15/2010 |
| Q: Good morning, I am looking for a non-toxic and non flammable liquid that also evaporates, do you ... A: and thanks for your question. I will need a little bit more information regarding the potential use ... | |
| Chemical reaction | 2/1/2010 |
| Q: Hey I was wondering if Acetone reacts with water because when I mix them I see bubbles. Do the ... A: and thanks for your question. There is no chemical reaction occurring when acetone and water mix; ... | |
| Fragrances and Lurking Odors | 1/26/2010 |
| Q: Maxwell! How are you?! I hope all is well! There's one more question I have for you pertaining to ... A: lovely to hear from you again, and I hope you are well? When a fragrance is released, it doesn't ... | |
| muratic burn | 1/20/2010 |
| Q: Almost a year ago I burned tie tip of my index finger . The skin began dying and pealing like ... A: and thanks for your question. I'm sorry to hear about your injury, especially having sustained ... | |
| water-softening chemicals | 1/12/2010 |
| Q: We have recently moved to an area that has hard water--not hard enough to necessitate a ... A: and thank you for your question. I'm sorry to hear you're having problems; our water here is quite ... | |
| Using nanomaterials to purify heavy metals | 1/12/2010 |
| Q: It's me again :) I haven't had much time to work on this project over the past week, which is why I ... A: and thank you for the follow-up! I hope the project goes ok; seems to have been sprung on you a ... | |
| vikane gas | 1/10/2010 |
| Q: I was just notified that our apt building will be tented for termites and Vikane gas will be ... A: and thank you very much for your question. I provide a link below which is from the makers of ... | |
| capilary action | 1/7/2010 |
| Q: it wouldn't let me ask a followup so i am asking another question once more... I am curious as to ... A: Firstly, the relative hydrogen bonding abilities of the three compounds are not absolute; there is ... | |
| capillary action | 1/6/2010 |
| Q: I have decided to change my experiment entirely if you remember from my previous question. My ... A: no problem, as I said, this is a weird topic. Firstly, the glass is not important at all in the ... | |
| capillary action | 1/6/2010 |
| Q: I have decided to change my experiment entirely if you remember from my previous question. My ... A: The start of the capillary action is the natural curve in water, with the sides higher than the ... | |
| capillary action | 1/6/2010 |
| Q: I have decided to change my experiment entirely if you remember from my previous question. My ... A: and thanks for your question. Your explanation of capillary action is not quite correct, but ... | |
| Fragrance Care Question | 1/5/2010 |
| Q: Sorry to trouble you once more but I was hoping you could assist me with this question. I had one ... A: and you're very welcome for any assistance I can give you. From what you've said, you may have ... | |
| capilary action | 1/5/2010 |
| Q: I have a question pertaining to capillary action. The process relies greatly on the polarity of ... A: and thanks for your question The problem with your idea is that capillary action does not depend on ... | |
| Fragrance Care Question | 1/5/2010 |
| Q: Sorry to trouble you once more but I was hoping you could assist me with this question. I had one ... A: and thank you for the follow-up! As long as your fragrances are kept in their original bottles, you ... | |
| Fragrance Care Question | 1/5/2010 |
| Q: Sorry to trouble you once more but I was hoping you could assist me with this question. I had one ... A: Happy New Year, and no need to apologize, that's what I'm here for :-) Storing fragrances in a box ... | |
| NAIL POLISH AND NAIL POLISH REMOVER | 1/4/2010 |
| Q: My daughter (10 year old) is in the hobby of doing nails. She and her cousin have been doing their ... A: and thank you very much for your question. I hope your daughter is ok and that she understands the ... | |
| Purifying lead with wax | 1/3/2010 |
| Q: I'm not sure whether or not this is within your area of expertise, but perhaps even if you are ... A: and thanks for the follow-up; hope the work is going ok? I think the new project title sounds ... | |
| Purifying lead with wax | 1/2/2010 |
| Q: I'm not sure whether or not this is within your area of expertise, but perhaps even if you are ... A: glad I could be of assistance :-) To answer your follow up, there are two broad reasons that ... | |
| Purifying lead with wax | 1/1/2010 |
| Q: I'm not sure whether or not this is within your area of expertise, but perhaps even if you are ... A: and thank you for your question; I think your choice of project sounds very interesting. There are ... | |
| Fragrances and Chemicals Follow-up | 12/28/2009 |
| Q: I asked a question about this particular topic and I'm letting you know how everything went. My ... A: and thanks for letting me know the results of your experiments; I'm pleased your fragrances are ... | |
| Hydrogen Peroxide | 12/26/2009 |
| Q: I have a question about using 3% hydrogen peroxide to lighten hair. Is it safe? I used to go to ... A: and thank you for your question. Before I give my answer, I should say I'm in no way a hair ... | |
| chemicals | 12/23/2009 |
| Q: Well you can be assured this is not a homework question, but I was wondering; I need a respirator ... A: and thanks for your question; apologies for the "homework" rider on my profile, but we do get a lot ... | |
| Fragrances and Chemicals | 12/21/2009 |
| Q: I was contacting you today because I was curious to know what happens to a fragrance when you clean ... A: I'm sorry to hear that the fragrances don't smell too good any more. As I said in the above answer, ... | |
| Fragrances and Chemicals | 12/21/2009 |
| Q: I was contacting you today because I was curious to know what happens to a fragrance when you clean ... A: You're very welcome! And sorry, the last paragraph was almost added as an afterthought. Mixing any ... | |
| Fragrances and Chemicals | 12/21/2009 |
| Q: I was contacting you today because I was curious to know what happens to a fragrance when you clean ... A: and thanks for your question! The short answer is that it's unlikely that you will do much damage ... | |
| H Bomb | 12/10/2009 |
| Q: hey i want to know what do you know about the H bomb? A: and thanks for your question. Could you give me a little more detail as to what you want to know? ... | |
| jello biphospholipid layer | 10/10/2009 |
| Q: I've been experiencing some difficulties in making a jello biphospholipid layer. I've noticed most ... A: and thanks for your question. We've never had any problems with Jello not setting; maybe it's the ... | |
| Mixing stock solutions | 10/5/2009 |
| Q: Recently, I had received a stock solution of 15% Glucose/1% Starch from a chemical company. The ... A: and thanks for your question. You are correct in your assumption, the abbreviation QS means ... | |
| biphosphlipid layer | 10/4/2009 |
| Q: I am making trying to make a biphospholipd membrane, you suggested me to use jello like layer right? ... A: and thanks for the follow-up Err as in "commit an error"; ... | |
| biphosphlipid layer | 10/3/2009 |
| Q: I am making trying to make a biphospholipd membrane, you suggested me to use jello like layer right? ... A: Salt-based flour dough should work ok as a modelling agent provided it's not in contact with ... | |
| biphosphlipid layer | 10/3/2009 |
| Q: I am making trying to make a biphospholipd membrane, you suggested me to use jello like layer right? ... A: The reason that you probably shouldn't go with the "liquidy" jello is primarily that you're relying ... | |
| 3 layer liquid that won't mix | 10/1/2009 |
| Q: you probably won't remember. I am trying to make a 3 layer liquid that can last for more than a ... A: There are two problems with the vinegar-salt idea; 1) Vinegar is mostly water, so in essence, all ... | |
| 3 layer liquid that won't mix | 9/30/2009 |
| Q: you probably won't remember. I am trying to make a 3 layer liquid that can last for more than a ... A: Firstly, it's not necessary for water to form salt crystals in order to dissolve. This will be ... | |
| 3 layer liquid that won't mix | 9/30/2009 |
| Q: you probably won't remember. I am trying to make a 3 layer liquid that can last for more than a ... A: and thank you for your question. I'm afraid your method at present won't work; I did try it myself ... | |
| oil's densities | 9/27/2009 |
| Q: I just want to ask is it possible to have a substance to dissolve in oil to make it so that its more ... A: and thanks for the follow-up. Firstly, it makes no difference if the solute is solid or liquid; the ... | |
| oil's densities | 9/27/2009 |
| Q: I just want to ask is it possible to have a substance to dissolve in oil to make it so that its more ... A: and thank you for your question. The basic answer is that it is not possible to change the density ... | |
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