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Recent Inorganic Chemistry Inquiries

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Inorganic Chemistry Salt Composition

I look for a salt with spesific properties regarding how it dissolves in water, if it is toxic etc. I need an expert in inorganic chemistry that can propose the right salt and composition to my requirements

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    Atilio |Sr Radiochemist

    Dear Sir, I have worked in Inorganic Chemistry for +20 years with a PhD, I might look up into you...

    3.3 Hours Later
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    Zheng |Zintro Expert

    My background is inorganic chemistry. I am very familiar with salt/*****raction....

    9.9 Hours Later
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    christian |Zintro Expert

    Dear sir, my background includes a wide proportion of inorganic chemistry and hazards problems. Feel...

    1.2 Days Later
+10 Other Responses
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Chemical Manufacturing

We are looking for consulting services of iranian experts and companies (in particular in germany) with experiences in inorganic chemistry or active in chemical parks in order to implement some of its projects related to operation of chemical parks in iran.

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    Ivan |Chemical engineer

    I am a Chemical Engineer in Technology of Inorganic Substances. I have extensive experience in the...

    2.2 Days Later
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    Richard |Director of Engineer

    Very interested. Believe that I may have a background that is suitable. Please review my CV on Linke...

    2.7 Days Later
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    Jacob |Zintro Expert

    I am a chemical engineer with a masters ***** the production of inorganic substances and...

    2.9 Days Later
+3 Other Responses
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Inorganic Chemicals Production

I have a mysterious white precipitate in my ap chem lab. In ap chemistry (advanced placement) we do a final lab where we create our own experiment and do it and mine is removing gold from old computers. We did not have access to many so we decided to get as much out as possible. After scraping the board to get them to sizable pieces we put them through a bath of 6m hcl mixed with 30% h202 in a 1;1 ratio to dissolve other metals such as the solder, copper, and tin(which connects the gold foil to the board). During this process a white precipitate formed, i assumed this was a mixture of agcl, al(oh)3, and possibly pbcl2. Today i continued the lab and finally got the precipitate and gold flakes into aqua regia. I used 225ml of 12m hcl and 75ml of 18m hno3 to create the aqua regia. I predicted that most of the white precipitate was agcl and therefore would not react with aqua regia (research said it wouldn t and i don t know what it would make). I came back after 40 minutes of letting it react and everything was dissolved including all of the white precipitate. I m honestly very confused now and don t know what happened and i m scared to attempt to precipitate out the gold encase i accidentally get silver (and leftover copper ions) in the final form. If anyone can help me with figuring out what this white precipitate is i could really use it. Also if you know if there would be a best way to go about precipitating the gold out (sodium metabisulfite, h2o2 reduction, etc) i would love to have some insight on that.

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    James |Principal

    If I were betting I would say the ***** AgCl. By no means am I an expert in this but if my m...

    1.1 Days Later
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    zia |Zintro Expert

    I have 10 years of proven experience in chemical industry. I can provide you extensive information r...

    17.3 Days Later
+8 Other Responses
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Zinc Oxide

Dear sir.. we have a new line of zinc oxide , we are looking for production head who will start the production and stabilize it . Best regards

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    Natalya |CEO

    Conduct extensive research in this field and will be glad to contribute expertise...

    9 Minutes Later
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    Mancherji |Project Development Manger

    I can help you in your project. Await your response...

    24 Minutes Later
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    vikas |CEO

    i am expert in zinc oxide you can contact me on *****...

    40.7 Days Later
+4 Other Responses
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Inorganic Chemistry

Need to test a method of bleaching large loads of human hair in our facility

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    Friso |senior specialist

    Dear sir, The standard method for hair bleaching uses hydrogen peroxide. In larger quantities, this...

    8.8 Hours Later
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    Jonathan |Sr. Engineer

    Hello, I think you may need to better define "test" and how you would measure success or failure of ...

    22.3 Hours Later
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    Ian |Managing Director

    Need a definition of testing? Do you want to test the effectiveness of the bleaching, residual che...

    3.6 Days Later
+11 Other Responses
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Synthetic Organic/organometallic Chemistry

1) manufacturing process design of a product utilizing an organometallic reaction. 2) ways to increase yield of organometallic reaction and reduce by-products

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    Michael |Senior Scientist

    Hello, I am an independent contract researcher with experience in organic synthesis and hybrid organ...

    21 Minutes Later
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    Natalya |CEO

    SCHTM will be glad to contribute expertise...

    2.9 Hours Later
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    G K A S S |Retired Principal Scientist ; Scientific

    Please give more details...

    5.5 Hours Later
+14 Other Responses
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L Epinephrine Hcl

We are interested in hearing from chemistry and chemical engineering experts who have successfully freeze and/or spray dried l-epinephrine hcl for either industrial or pharmaceutical use. We are interested in understanding the techniques used, problems encountered, and the economics of your solution.

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    Paulo |Principal

    No expertise with this product...

    13.4 Hours Later
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    Elliott |Chief Scientist

    I am not sure this question was well thought out. There are no issues with ***** drying ep...

    1.4 Days Later
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    Paul |Consultant

    I have done spray drying of protein based systems for the food industry, and would be considered one...

    1.7 Days Later
+5 Other Responses
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Boiler Chemistry

I am looking for an expert for boiler chemistry. Please contact me through znote.

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    Celestino |Systems Engineer

    I work in boliler *****tment since 20 years ago. I be in Spain (Europe). My english is not flue...

    32 Minutes Later
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    Daniel |Consultant - Guiser & Ass.

    I have 30 years of experience with Betz and then GE ***** boiler *****istry....

    1.1 Hours Later
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    Joel |President

    I can help with any boiler questions. What pressure and fw characteristics? Thx....

    1.2 Hours Later
+10 Other Responses
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Organometallic Chemistry

I want to know more about bonding structural stability in organometallic chemistry

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    David |Principal

    I would be glad to talk to you about this. You can look up my *****r David E. Laycock o...

    7.6 Hours Later
+1 Other Responses
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Inorganic Chemistry

Inorganic experts about fertilizer and phosphoric acid , pigment . .

    +undefined Other Responses
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    Synthetic Chemistry

    Position for synthetic chemistry cro services sales specialist - us east coast drug discovery, synthetic organic chemistry, medicinal chemistry, and custom synthesis ms preferred bs ok

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      JOSE MARIA |RESEARCH CONSULTANT

      I´m an experienced synthetic & medicinal chemist seeking new opportunities. I´m interested in the of...

      20 Minutes Later
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      Krishnamacharyulu |Managing Partner

      You need someone residing in the east coast? or you take *****icants?...

      23 Minutes Later
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      Hengguang |scientist

      I am interested in this position, please let me know how to apply to it. Thanks....

      1.4 Hours Later
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    Detergent Chemistry

    I need a chemist who is having experience in detergent chemistry, and who can help me in introducing new detergent formulae

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      Jaisheel |Prop.

      hello, plz contact on ***** jaisheel.singh1 ***** *****...

      2.1 Hours Later
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      balwant |Zintro Expert

      Hi . I hv novel ***** detergent. If you r interested: contact me : *****...

      2.2 Hours Later
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      Kaushik |Scientific Officer

      I am an *****rt and have PhD in chemistry. I have been working in this sector for last ...

      2.4 Hours Later
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