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Everything posted by daphne2013

  1. Good idea! and good luck to you! Fighting!
  2. Hi guys, do you know this product Sodium Lauryl Ether Sulfate ? what's the main role of this substance? TELL ME! THANKS!
  3. I think NO. Even if really can, and the gold is false. Or if just like real gold, the gold is not worth much.
  4. Thank you for the complement , I learned a little knowledge again.
  5. Yes, this link you give is very very detailed. Thanks for your information.
  6. daphne2013

    Help me

    I want to know if a 0.02%TWEEN80 solution in PBS buffer will still be homogeneous if I will dilute it with 50% acetonitrile thanks
  7. I am so confused on a organic nomenclature question. I thought I was getting the hang of it but clearly not... if anyone can shed some guidance I would be much appreciated.
  8. Hi,Recommend a few books to you Title: Organic Chemistry Author: Nick Greeves Title: Organic Chemistry Author: Robert T. Morrison Title: Organic Chemistry Author: K. Peter C. Vollhardt, Neil Eric Schore
  9. I only know this Silicone. Some models boiling point is about 300 degrees. The higher boiling point of the material was not found.
  10. Food additives are to improve the quality of food color, aroma, and taste and so on, and put into food for the needs of the preservation and processing of the compounds or natural substances. Definition of food additives is not the same in countries around the world, the United Nations food and agriculture organization (FAO) and the world health organization (WHO) joint committee on food additives food regulations are defined as food additive is consciously general with a small amount added to the food, to improve the appearance and flavor of food and organizational structure or the nature of the storage of nutrients. Is There Anything Else?
  11. What kind of glue you mean ? Some color of the glue does not affect the use effect.
  12. It can be used as tracking atoms such as tap water, water pipes broke, isotope in Cl can be used for tracking, then can detect the break place, there are some reaction mechanism is also had the same isotopic effect to explain.
  13. The uv glue can stick broken glass.
  14. I just want to know the uses between STPP and SHMP, What is the difference between their chemical properties? And other aspects.
  15. Hi, guys, do you know which forums are related to food or food additive? If you know please tell me. Thanks in advance.
  16. Oh, yes. No wonder I can't find more information. Thanks for your reply!
  17. Yes, I just can't figure this out. Do you know?
  18. Maybe "C" means Carbon and "I "means Iodine. I think these are their chemical symbols
  19. More dangerous radioactive material, don't buy if not research as well.
  20. I think the one reason is that many trees on the earth are disappeared, where a lot of old trees are now covered house.
  21. A lot of units in chemistry may be Particles atoms molecules and nano. These are all the chemical units. What type of units do you want to know?
  22. Hi, everyone Do you know the difference between stpp (Sodium-Tri-Polyphosphate) and shmp (Sodium hexametaphosphate) and what are the similarities between them?
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