Secure payment with ...

We supply Superol!

Sore throat or toothache? Superol works! Superol disenfects and soothes your throat. It can also be applied to cuts and wounds. Furthermore Superol can be used against moulds and fungi on plants or to desinfect animal cages.

Bio-Kult maakt het verschil

 Bio-Kult is ontwikkeld door neuroloog en voedingsdeskundige Dr. Natasha - Campbell McBride voor kinderen en volwassenen met een gevoelige spijsvertering en is uitgegroeid tot het meest aanbev…

Read more →

Bikosan replaces Amozan

Oral-B's Bocasan has been off the market for quite a while. We bring you Bikosan: the same formula and the same effect. Bikosan has a disinfecting and cleansing effect. It kills many different kind…

Read more →

Newsletter

Stay up to date with the latest news and products through the newsletter of Bik and Bik Online.

Blue & Red litmus paper

Productcode : 78

Blue & Red litmus paper

Litmus is in the laboratory as an indicator of acidity or alkalinity are used. In an acidic solution, at a high concentration of H + ions changes the color of litmus to red (pH <4.5), and in an alkaline solution, with a high concentration of OH - ions (pH> 8) changes the color to blue.

Both lakmoesoplossingen as litmus paper are often used as an indicator. Litmus paper is paper that is soaked in a lakmoesoplossing, and then dried. It is sold in books, from which a sheet tears, then to the solution to be baptized. After this the litmus paper unusable. There is a blue litmus paper, red litmus paper for acid solutions and in alkaline solutions.

 

 

 

Close ↑

Show more ↓

€ 20,55 Approximate shipping costs
Add to cart →

Experiences

  • uit Leiden - 2 July 2015

    " Snel en netjes afgeleverd "

  • Willemien van der Horn uit Alkmaar - 3 October 2014

    " Ales prima geregeld, netjes verpakt en snel! "

  • Tom Ockeloen Baron van Hazerswoude uit Utrecht - 3 July 2013

    " Mijn bestelling bevalt me uitstekend, het gebruik van rood lakmoes is al heel lang een methode die door de geheime diensten der Nederlanden gebruikt wordt om vergiften te vinden in eten en drinken daarnaast ook om uit te zoeken of er drugs in eten of drinken zit , Met vriendelijke groet Baron Tom van Hazerswoude "

Recently viewed

    Bik & Bik

    Bik & Bik Online is the result of a unique collaboration of P.J. Bik of Bik Drugstore in Leiden and GJ Bik of Drugstore de Tulp in Haarlem.

    Contact

    Bik & Bik
    Doezastraat 4
    2311 HB Leiden
    Netherlands

    Tel: +31-71-3000012