... Use the transferpetter measure 15mL testing liquid to Erlenmeyer flask.2. Add a pack of reagent I, sway ... the flask, if the liquid become blue, the hardness of ... reagent II.4. Add reagent II while swaying the flask till liquid turn blue from purple, repeat step 3 ... L, calculated as CaCO3).Notes:1. Wash the Erlenmeyer flask with deioniazed water before testing.2. The PH of ...
... could use any size tube ( diameter 10--29mm), conical flask, centrifuge tubes 1. water bath nitrogen blowing concentrator2. could ... use any size tube ( diameter 10--29mm), conical flask, centrifuge tubesIntroduction WD-12 model water bath pressure blowing concentrator ... Could be used any size tube ( diameter 10--29mm), conical flask, centrifuge tubes, sample quantity 1--50ml2. Sample holes: 12 ...
... , display glass);7). Iatrology and bio-engineering;8). Safety protection (bullet proof glass)List of Thickness and Tolerance2-20mmMeans of Processing ...
... the neck of a suitably-sized filter flask. When the side-arm of the filter flask is attached to the aspirator (or ... top of the Buchner funnel is quickly sucked into the flask, ideally leaving any particulate matter or precipitate on the filter ...
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