ArtsAutosBooksBusinessEducationEntertainmentFamilyFashionFoodGamesGenderHealthHolidaysHomeHubPagesPersonal FinancePetsPoliticsReligionSportsTechnologyTravel

Biodiesel Titrating methods: some including non-chemicals

Updated on September 11, 2008

I have posted articles before about performing titrations for Biodiesel productions. This article supports pervious hubs and provides an alternative titration method using turmeric. Similar titrations can be done using red cabbage too.

MATERIALS NEEDED

1- bottle of isopropyl alcohol.

In the USA, Iso-HEET® Premium Fuel System Dryer & Antifreeze, 12 fl. oz. in the red bottle is available at all fine auto shops and is about 100% isopropyl alcohol. $2.00.

Also, in the USA rubbing alcohol is Isopropyl alcohol so get some that is at least 70% isopropyl

OR

1- bottle of Ethanol.

In Australia and many other countries, "methylated spirits", commonly called "Metho" is 95% ethanol and only about $2 a litre. Works great.

1- bottle of Phenol Red Normally used to check the pH of swimming pools and is easily available from all fine pool shops.

OR

1 container of Ground Tumeric Tumeric is a spice and is readily obtainable from all Fine grocery stores.

1 Box Flat Wooden Tooth Picks

1-litre of "Titrating Fluid"

"Titrating Fluid" is made by disolving 1g NaOH into 1 litre of distilled or Rain Water. In a pinch, tap water will work too.

As you might not have particularly accurate scales, one way of achieving this is to measure out 10g NaOH and dissolve this into 1 litre of distilled or rain water.

Now take 100ml of this water and mix with 900ml distilled or rain water.

You now have pretty close to the 1g NaOH in 1 litre of distilled or rain water.

Or, go to your local pharmacist or High School Science Dept and ask them to do the measuring for you.

EQUIPMENT NEEDED

1- 50ml medicine measure with ml graduations marked on the side. The tapered ones are best.

2- glass 1 ml eyedroppers with graduations marked on the side.

1- plastic chopstick

Total equipment cost should be under $10 and is good for hundreds of titrations.

No fair counting the cost of a meal at your favourite Chinese shop to steal a chopstick.

THE PROCEDURE USING PHENOL RED

1. Pour about 10ml of room temp alcohol (Isopropyl or Ethanol} into the 50 ml medicine measure.

2. Add 3 to 5 drops of phenol red to the alcohol.

3 Fill one of the eyedroppers with "Titrating Fluid" and while using the chopstick to vigorously stir, slowly, drop by drop, add "Titrating Fluid" to the alcohol until the alcohol just starts to turn colour and then STOP.

You have just performed the "Blank Titration" The "Blank Titration" neutralizes any acid that may be in the alcohol.

You are now ready to titrate the oil in question.

4 Using the other eyedropper, add exactly 1ml of the oil to be titrated to the alcohol.

5. Place into microwave oven and microwave until the First Bubble appears (5 or 10 seconds)STOP Note: This step is not absolutely necessary.

6. Now, always filling the first eyedropper with exactly 1ml of Titrating Fluid, start dropping the Titrating fluid into the medicine measure while stirring vigorously with the chopstick.

I find an up and down motion which breaks the oil up against the bottom of the medicine glass works best.

Do not stop stirring

7.Keep track of how many ml of "Titrating Fluid" is needed for the liquid to turn and remain its deepest, darkest purple/ red for at least 30 seconds.

This is your titration number which you then add to 5 to find out how many grams of NaOH is needed per litre of WVO.

It takes longer to read it than to do it.

THE PROCEDURE USING TUMERIC

1. Pour about 10ml of room temp alcohol (Isopropyl or Ethanol} into the 50 ml medicine measure.

2. Scoop out a tiny amount of Ground Tumeric on the wide end of a toothpick.

2a Put the tumeric into the alcohol and use the Chopstick to stir it well into the Alcohol

The Alcohol should now be a nice yellow colour.

3 Fill one of the eyedroppers with "Titrating Fluid" and while using the chopstick to vigorously stir, slowly, drop by drop, add "Titrating Fluid" to the alcohol until the alcohol just starts to turn colour and then STOP.

You have just performed the "Blank Titration" The "Blank Titration" neutralizes any acid that may be in the alcohol.

You are now ready to titrate the oil in question.

4 Using the other eyedropper, add exactly 1ml of the oil to be titrated to the alcohol.

5. Place into microwave oven and microwave until the First Bubble appears (5 or 10 seconds)STOP Note: This step is not absolutely necessary.

6. Now, always filling the first eyedropper with exactly 1ml of "Titrating Fluid", start dropping the "Titrating Fluid" into the medicine measure while stirring vigorously with the chopstick.

I find an up and down motion which breaks the oil up against the bottom of the medicine glass works best.

Do not stop stirring

7.Keep track of how many ml of "Titrating Fluid" is needed for the liquid to turn and remain a light pink for about 20 seconds before the colour fades..

This is your titration number which you then add to 5 to find out how many grams of NaOH is needed per litre of WVO.

It takes longer to read it than to do it.

Comments

    0 of 8192 characters used
    Post Comment

    No comments yet.

    working

    This website uses cookies

    As a user in the EEA, your approval is needed on a few things. To provide a better website experience, hubpages.com uses cookies (and other similar technologies) and may collect, process, and share personal data. Please choose which areas of our service you consent to our doing so.

    For more information on managing or withdrawing consents and how we handle data, visit our Privacy Policy at: "https://hubpages.com/privacy-policy#gdpr"

    Show Details
    Necessary
    HubPages Device IDThis is used to identify particular browsers or devices when the access the service, and is used for security reasons.
    LoginThis is necessary to sign in to the HubPages Service.
    Google RecaptchaThis is used to prevent bots and spam. (Privacy Policy)
    AkismetThis is used to detect comment spam. (Privacy Policy)
    HubPages Google AnalyticsThis is used to provide data on traffic to our website, all personally identifyable data is anonymized. (Privacy Policy)
    HubPages Traffic PixelThis is used to collect data on traffic to articles and other pages on our site. Unless you are signed in to a HubPages account, all personally identifiable information is anonymized.
    Amazon Web ServicesThis is a cloud services platform that we used to host our service. (Privacy Policy)
    CloudflareThis is a cloud CDN service that we use to efficiently deliver files required for our service to operate such as javascript, cascading style sheets, images, and videos. (Privacy Policy)
    Google Hosted LibrariesJavascript software libraries such as jQuery are loaded at endpoints on the googleapis.com or gstatic.com domains, for performance and efficiency reasons. (Privacy Policy)
    Features
    Google Custom SearchThis is feature allows you to search the site. (Privacy Policy)
    Google MapsSome articles have Google Maps embedded in them. (Privacy Policy)
    Google ChartsThis is used to display charts and graphs on articles and the author center. (Privacy Policy)
    Google AdSense Host APIThis service allows you to sign up for or associate a Google AdSense account with HubPages, so that you can earn money from ads on your articles. No data is shared unless you engage with this feature. (Privacy Policy)
    Google YouTubeSome articles have YouTube videos embedded in them. (Privacy Policy)
    VimeoSome articles have Vimeo videos embedded in them. (Privacy Policy)
    PaypalThis is used for a registered author who enrolls in the HubPages Earnings program and requests to be paid via PayPal. No data is shared with Paypal unless you engage with this feature. (Privacy Policy)
    Facebook LoginYou can use this to streamline signing up for, or signing in to your Hubpages account. No data is shared with Facebook unless you engage with this feature. (Privacy Policy)
    MavenThis supports the Maven widget and search functionality. (Privacy Policy)
    Marketing
    Google AdSenseThis is an ad network. (Privacy Policy)
    Google DoubleClickGoogle provides ad serving technology and runs an ad network. (Privacy Policy)
    Index ExchangeThis is an ad network. (Privacy Policy)
    SovrnThis is an ad network. (Privacy Policy)
    Facebook AdsThis is an ad network. (Privacy Policy)
    Amazon Unified Ad MarketplaceThis is an ad network. (Privacy Policy)
    AppNexusThis is an ad network. (Privacy Policy)
    OpenxThis is an ad network. (Privacy Policy)
    Rubicon ProjectThis is an ad network. (Privacy Policy)
    TripleLiftThis is an ad network. (Privacy Policy)
    Say MediaWe partner with Say Media to deliver ad campaigns on our sites. (Privacy Policy)
    Remarketing PixelsWe may use remarketing pixels from advertising networks such as Google AdWords, Bing Ads, and Facebook in order to advertise the HubPages Service to people that have visited our sites.
    Conversion Tracking PixelsWe may use conversion tracking pixels from advertising networks such as Google AdWords, Bing Ads, and Facebook in order to identify when an advertisement has successfully resulted in the desired action, such as signing up for the HubPages Service or publishing an article on the HubPages Service.
    Statistics
    Author Google AnalyticsThis is used to provide traffic data and reports to the authors of articles on the HubPages Service. (Privacy Policy)
    ComscoreComScore is a media measurement and analytics company providing marketing data and analytics to enterprises, media and advertising agencies, and publishers. Non-consent will result in ComScore only processing obfuscated personal data. (Privacy Policy)
    Amazon Tracking PixelSome articles display amazon products as part of the Amazon Affiliate program, this pixel provides traffic statistics for those products (Privacy Policy)