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help

[GUW] Nagarajan A. — Sat, 11 Jul 2009 10:04:55 GMT

Dear/s Pl. help.We are using high molecular weight poly saccharides composed of galactomannans consisting of a (1?4)-linked ?-D-mannopyranose backbone with

Coefficient of stability for HOCl and OCl-

Antonio — Sat, 11 Jul 2009 07:51:07 GMT

1 What is the coefficient of stability of an acid? 2 How can we determine the coefficient of stability of an acid? 3 Why HOCl is an oxidizing agent

2 questions in TOC method and acidity test for water

awaad hussein — Fri, 10 Jul 2009 18:54:46 GMT

Hi to all my first equation, why use phosphoric acid or sulfuric acid in the TOC analyzer to determine the inorganic carbon and total carbon and then calculate

Re: What is the best kitchen floor cleaner?

BRIAN JENSEN — Sun, 05 Jul 2009 19:09:52 GMT

My mother told me to always wipe spills immediately. I'd say to always have a towel on the floor (an old black one) and wipe up any wetness immediately. . It

What is the best kitchen floor cleaner?

zocor@... — Sun, 05 Jul 2009 15:03:32 GMT

..We have a vinyl floor in the kitchen..it gets very dirty..I think the the dirt dissolves into the vinyl.. ..making it hard to remove... ..any help....john

Re: vapor escape from gasoline stragetanks for car

galopus galopus — Thu, 02 Jul 2009 18:52:29 GMT

AGAIN, THANSK. SALUDOS ________________________________ From: Lance Corey To: thechemistrycluster@yahoogroups.com Sent: Thursday, July

Re: vapor escape from gasoline stragetanks for car

Lance Corey — Thu, 02 Jul 2009 16:34:26 GMT

Hi, The caps are pressure sensitive since the caps are check when the car has a smog check. There is a line that runs to the engine compartment from the gas

Re: vapor escape from gasoline stragetanks for car

galopus galopus — Thu, 02 Jul 2009 02:24:26 GMT

Thank you. Saludos ________________________________ From: John W To: thechemistrycluster@yahoogroups.com Sent: Wednesday, July 1, 2009

Re: vapor escape from gasoline stragetanks for car

John W — Thu, 02 Jul 2009 02:01:00 GMT

The caps of the petrol tanks usually have a very small hole in them somewhere, often concealed, for the purpose. John W. ... From: Antonio

vapor escape from gasoline stragetanks for car

Antonio — Thu, 02 Jul 2009 01:50:11 GMT

I woul also like to know if the gasoline storage tank for cars has any venting system. I know it should have, but where is it located?. Tanks

Re: GASOLINE IN WATER

galopus galopus — Thu, 02 Jul 2009 01:44:40 GMT

I m very please and glad for your interesting ans seicntifica answer. Thans k a lot. I never thought about the hunidity or the aire reopplacing the void space

Re: GASOLINE IN WATER

BRIAN JENSEN — Wed, 01 Jul 2009 23:05:00 GMT

Air contains a considerable amount of water. When the gasoline is pumped out of the tanks into people's cars, the volume of the tank is replaced with humid

Re: GASOLINE IN WATER

John W — Wed, 01 Jul 2009 22:21:18 GMT

It would be due mostly to rain-water getting into the storage tanks, either the underground tanks at the gas station or the oil refinery above-ground storage

GASOLINE IN WATER

Antonio — Wed, 01 Jul 2009 20:22:30 GMT

DO YOU HAVE ANY IDEA (REASONS) WHY WATER APPEARS IN THE GASOLINE AT THE GAS STATIONS::: THANKS.

Re: What is the differance between,

Antonio — Wed, 01 Jul 2009 20:19:54 GMT

-- As Harry said: easier to liquify butane that is why we often used it as fuel and propelant. Tl liquify propnae we need to add more pressure or reduce