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A&D MX-50 Скачать руководство пользователя страница 26

MXMF.Users.Handbook.V2.20.doc

LIT:MXUHB April 2003

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Advanced Usage/ B. Data Analysis/3.

RsTemp

The following are examples in which heating temperatures are judged with RsTemp.

(Printer output

Example 1: Final moisture content rate remains unchanged at different temperatures,

The top graph displays results of

measurement on starch, below on
cornstarch.
The Rate(&/min.) constantly keeps
low values at a higher temperature
zone.
Measurement of such samples could
be completed in a short time, by
measuring at the highest possible
heating temperature.
Samples with similar measurement
processes include Sodium Tartrate
Dihydrate,

hand soap, washing

powder, soft flour, milk, etc.

Starch (MX-50, 5g)

Corn Starch (MX-50, 5g)

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Содержание MX-50

Страница 1: ...yz ze er r U Us se er rs s H Ha an nd db bo oo ok k Version 2 20 April 2003 A D Weighing USA Version T T Te e es s st t t w w wi i it t th h h T T Th h he e e B B Be e es s st t t T T Tr r ru u ue e...

Страница 2: ...ment 4 3 Accuracy 6 4 Samples 6 5 Calibration 7 6 Others 8 7 Heating method 9 8 Measurement 9 9 Data Analysis 10 B Data Results Analysis 1 Measurement samples 11 2 Typical measurement results by table...

Страница 3: ...ce Card Power Cable 2 Fuses Specifications are subject to change for improvement without notice Standard 85mm 400W straight halogen lamp heating system with SRA filter and SHS weighing technology Halo...

Страница 4: ...ials are measured with a stable moisture content rate and a typical material with such character is Sodium Tartrate Dihydrate Known by its name it is a well known material secondarily produced while a...

Страница 5: ...e to the one determined by Karl Fischer method Among all moisture analyzers employed with heating method is easy to handle with its good operability and clear formula of operation low profile and can...

Страница 6: ...od doesn t however it is suitable for detecting moisture content in a material such as vapor or that with very little moisture in ppm Moisture analyzers using infrared absorption method work in the be...

Страница 7: ...rate is when chemically bonded to two water molecules or crystal water and becomes Sodium Tartrate again by releasing the water molecules when heated Its moisture content rate is the ratio of the two...

Страница 8: ...atable 9 Does placement of sample such as powder on a pan affect measurement result Yes How to put a sample on a pan determines heat distribution To measure moisture content rate accurately even heati...

Страница 9: ...t remove moisture in a sheet dry and store it in a desiccator prior to use 2 Is absolute measurement of moisture content rate possible Can only water content be measured No Minerals such as metal glas...

Страница 10: ...ble to see inside the analyzer while heating Being able to see inside of the analyzer gives users a sense of safety Not only water in a sample that can be overheated or is burnable may be vaporized bu...

Страница 11: ...aps like burns 9 Data Analysis No Q A 1 Can soybeans or coffee beans be tested as they are NO Usually samples like peas should first be crushed in a blender or mill because temperature of surface and...

Страница 12: ...0065 2 13 19 1 By the data there is no evident difference between the two analyzer s results and it could be said that data taken by A D s MX MF can match a Karl Fischer type analyzer 2 As for accurac...

Страница 13: ...Bond 6 Commodity Paste 1 Standard MID 200 9 7 61 3 0 309 0 5 Place the sample evenly on the pan Hand Soap 7 Commodity Liquid 1 Standard MID 200 6 92 01 0 157 0 17 Use a glass fiber sheet 8 Commodity...

Страница 14: ...140 8 5 3 04 0 01 0 33 Crush with hand mixer 29 Food Butter Peanuts 5 Standard MID 140 9 6 2 1 0 077 3 67 Crush with hand mixer Ground Coffee Beans 30 Food Powder 5 Standard MID 140 9 8 4 43 0 036 0 8...

Страница 15: ...051 1 07 47 Food Powder Horse Radish 5 Standard MID 140 11 4 3 7 0 082 2 22 Horse Radish 48 Food Grated 1 Standard MID 200 15 1 39 07 0 123 0 32 Crush the sample from above a glass fiber sheet Ginger...

Страница 16: ...rmicelli 2 Standard MID 200 15 8 14 8 0 15 1 01 Cut the sample by about 3cm 63 Food Dried Brown Seaweed 1 Standard MID 200 9 2 11 49 0 367 3 19 Crush with hand mixer Wood Ear 64 Food Sliced 2 Standard...

Страница 17: ...383 0 47 Use a glass fiber sheet 84 Food YoghurtB 1 Automatic 0 5 min 180 5 4 88 07 0 209 0 24 Measure after putting the sample between folded glass fiber sheet and pressing it hard 85 Food Soy Milk 1...

Страница 18: ...owder 1 Standard MID 200 2 5 11 24 0 591 5 26 104 Industrial Products Activated charcoal Particulate For deodrant use 5 Standard MID 120 6 6 9 96 0 142 1 43 Silica gel 105 Industrial Products Particul...

Страница 19: ...oftware WinCT Moisture WinCT Moisture in combined use with heating and drying method moisture analyzer MX 50 and MF 50 manufactured by A D enables easy transfer of measurement data to PC through RS 23...

Страница 20: ...ulated from decrease in sample quantity caused by vaporization of moisture from heating It is determined at a point where changes no longer occur displayed on graph with planarized line Measurement re...

Страница 21: ...mperatures due to the sample s high heat resistance Measurement of such samples can be completed in a short time by heating at the highest possible temperature Samples with similar measurement process...

Страница 22: ...where moisture content is stabilized and rapid changes in curve do not occur When stabilized moisture content curve re inclines it is assumed that materials other than water additives organic matter...

Страница 23: ...the same conditions sample quantity heating temperature measurement termination condition with previously set heating temperature and measurement termination condition terminates measurement when the...

Страница 24: ...value described with the vertical axis at the left Change of inclination could be seen in change of heating temperature Curve displayed in green plots inclination of moisture content curve red by 1min...

Страница 25: ...tent rate curve or primary derivative value Rate min RsTemp is a software designed to determine heating temperature most suitable for the sample from measured and calculated results However it is impo...

Страница 26: ...different temperatures The top graph displays results of measurement on starch below on cornstarch The Rate min constantly keeps low values at a higher temperature zone Measurement of such samples cou...

Страница 27: ...ncrease again Suspected causes to this increase of Rate above 180C is that either ingredients other than water liquid additives organic matter have vaporized or samples have started to carbonize In su...

Страница 28: ...measurement with heat and dry method moisture analyzer However it is possible to measure and evaluate moisture content of such samples by measuring under same conditions sample quantity heating temper...

Страница 29: ...ned glass housing affect moisture content rate measurement YES it may Through stained glass heat conduction may not be good enough to heat sample evenly which can lead to low repeatability One of the...

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