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There is no pre-programmed calibration curve available. The method requires measuring the first 6 caffeine standards (0, 2, 4, 6, 8, and 10 mg/L). Afterward, the calibration curve is determined and stored in the instrument. Please feel free to contact your local MO for further questions. Contact details can be found at www.mt.com under "Contact Us".”

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Is the sample temperature (low (25 c) high temp >50 c) effected to the result ?

We have an Aplication Note for pet food that we can share via link on mt.com( can be downloaded free of charge): Moisture in Pet Food - Get Results in Minutes (www.mt.com/global/en/home/library/applications/laboratory-weighing/moisture-content-in-pet-food.html). The HC103 is described as used instrument but the basic parameters of the method are also suitable for HE73.

@@TheAu4812555 IT's important to have the same conditions when it's about sampling, storage and preparation of the sample. Changes in one of those steps can lead to a lower reproducibility because of moisture content fluctuation, e.g. sample container is not sealed and moisture can evaporate, especially for samples with a higher temperature. More information about the correct sample preparation an be found in the moisture guide on mt.com: Guide to Moisture Analysis (www.mt.com/global/en/home/library/guides/laboratory-weighing/guide-to-moisture-analysis.html) for more details please ask a local representative. Contact details can be found at www.mt.com under "Contact Us".”

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The density of air depends on factors such as air temperature, humidity and air pressure. At sea level, the density of dry air at 20 °C and 1013.25 hPa is approximately 0.001205 g/cm3. The value of 0.001152 g/cm3 shown in this video corresponds to the test conditions when carrying out this experiment.

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Dear @esmeantonio9461 Distilled spirits, such as Vodka or Gin, are considered pure alcohol and water mixtures. The alcohol content of these types of alcoholic beverages can be measured directly via density measurement - no further sample preparation is required. On the other hand, alcoholic beverages, such as liqueur or alcopops, contain other substances (sugar or flavors) that strongly influence the density measurements. These alcoholic beverages need to be distilled prior to density measurement in order to achieve a correct alcohol content.

We’re supposed to store the sensors in InLab Storage solution(www.mt.com/global/en/home/products/Laboratory_Analytics_Browse/pH-meter/pH-buffer-standard-and-electrolyte/pH-electrolyte/Storage-Solution-InLab-250mL.html). Alternately, 3M KCl or buffer pH 4 can be used for short term storage.

Программное обеспечение EasyDirect Density and Refractometry можно установить (а также переустановить), если у вас еще есть лицензионный ключ. Для получения дополнительной информации посетите www.mt.com/global/en/home/products/Laboratory_Analytics_Browse/density-meter/density-software/density-and-refractometry-data-logging.html.

@@METTLERTOLEDOLaboratory спасибо за ваш, ответ, но у меня есть рефрактометр RM40 и он выдаёт ошибку на экран: "Waiting for USB stick" и не реагирует на нажатия вообще

@@METTLERTOLEDOLaboratory добрый день, спасибо за ответ, почему-то прошлый комментарий не виден, есть такая проблема, что при запуске рефрактометра RM40, выдаёт ошибку "Waiting for USB stick" и не реагирует на нажатия вообще...

METTLER TOLEDO does not have a video on how to measure the density of palm stearin oil with a pycnometer. In general, palm stearin oil can be handled like any other edible oil and fat. The most common standards for edible oils and fats, e.g. AOAC 921.08, define refractive index measurements at a certain temperature (at 20 °C/40 °C). METTLER TOLEDO's digital benchtop instruments have an integrated temperature control that allows you to achieve more accurate results. The integrated Peltier temperature control quickly heats up or cools down the measuring cell so that you can perform your analyses at the desired temperature. For more information please visit: www.mt.com/global/en/home/library/applications/lab-analytical-instruments/refractive-index-of-oils-and-fats-aoac-92108.html

This is a typical setup you will find in array spectrophotometers. As the light passes through the diffraction grating, each wavelength is diffracted at a slightly different angle, causing the different wavelengths to separate from one another. The detector then measures the amount of light at each specific wavelength, allowing us to determine the absorption or transmission spectrum of the sample. You can find a more detailed view in this video: czcams.com/video/XAp-5r3LxQo/video.htmlsi=TeFagcZ18dr-eVdN&t=23

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The two meters FiveEasy and FiveEasy Plus differ in the arrangement of buttons. FiveEasy meter hosts separate buttons for Mode and Setup, whereas FiveEasy Plus has a combined button for mode/setup. As a result, the duration for press may vary in both cases. For FiveEasy meter, a short press on dedicated setup button will navigate to the setup menu. However, If it is a FiveEasy Plus meter with a Mode/Setup button, a longer press would be needed to navigate to the setup menu. In case this doesn’t help, feel free to reach out to our experts at ph.lab.support@mt.com. I hope this helps!

Thank you for your message, please ask a local representative. Contact details can be found at www.mt.com under "Contact Us".”

Thank you for reaching out! Trust you’re speaking of the SafeLock, which is used to close or open the filling hole for electrolyte. This rubber (SafeLock) for the probe can definitely be purchased, for which we would need to know the exact name of the sensor. Once confirmed, we can suggest the right accessory to you. We recommend that you share the photograph of the broken rubber (if it’s not the above part) along with the name of the sensor on ph.lab.support@mt.com and our experts will guide you with the purchase. www.mt.com/global/en/home/products/Laboratory_Analytics_Browse/pH-meter/pH-accessories/Sensor-Accessory-SafeLock_Blue.html Trust this helps!

Thank you for reaching out! Trust you’re speaking of the SafeLock, which is used to close or open the filling hole for electrolyte. This rubber (SafeLock) for the probe can definitely be purchased, for which we would need to know the exact name of the sensor. Once confirmed, we can suggest the right accessory to you. We recommend that you share the photograph of the broken rubber (if it’s not the above part) along with the name of the sensor on ph.lab.support@mt.com and our experts will guide you with the purchase. www.mt.com/global/en/home/products/Laboratory_Analytics_Browse/pH-meter/pH-accessories/Sensor-Accessory-SafeLock_Blue.html Trust this helps!

Thank you for reaching out! Trust you’re speaking of the SafeLock, which is used to close or open the filling hole for electrolyte. This rubber (SafeLock) for the probe can definitely be purchased, for which we would need to know the exact name of the sensor. Once confirmed, we can suggest the right accessory to you. We recommend that you share the photograph of the broken rubber (if it’s not the above part) along with the name of the sensor on ph.lab.support@mt.com and our experts will guide you with the purchase. www.mt.com/global/en/home/products/Laboratory_Analytics_Browse/pH-meter/pH-accessories/Sensor-Accessory-SafeLock_Blue.html Trust this helps!