CN105842103B - A kind of test method of humid keeping performance of tobacco - Google Patents
A kind of test method of humid keeping performance of tobacco Download PDFInfo
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- CN105842103B CN105842103B CN201610160015.3A CN201610160015A CN105842103B CN 105842103 B CN105842103 B CN 105842103B CN 201610160015 A CN201610160015 A CN 201610160015A CN 105842103 B CN105842103 B CN 105842103B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
- G01N5/025—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content for determining moisture content
Abstract
The present invention provides a kind of humid keeping performance of tobacco test method comprising sample pre-treatments, the test of example weight dynamic calculate the calculating for being fitted with data and calculating average rate-of-loss of coolant and humectation index under humectation index and average percentage of water loss or specific moisture ratio than calculating with dehydration Drawing of Curve, moisture with data acquisition, moisture content of drying base.A kind of humid keeping performance of tobacco test and evaluation method is provided in the present invention, can test and evaluation quick, easy, precisely, comprehensively be carried out to pipe tobacco humid keeping performance for solving the problems, such as to lack in the prior art.There are stronger correlation, humectation evaluation method to take into account thermodynamics and kinetics index simultaneously in view of the physics humid keeping performance and thermodynamics, dynamics index of tobacco, to more fully and scientifically evaluate tobacco physics humid keeping performance.
Description
Technical field
The present invention relates to Field of Tobacco, specifically disclose a kind of test method of humid keeping performance of tobacco.
Background technology
The humid keeping performance of cigarette and cigarette quality are in close relations, and it is to improve cigarette sense organ to relax to improve cigarette physics humid keeping performance
One of the important channel of appropriateness.During cigarette humectation is studied, how quickly, it is easy, accurately to pipe tobacco humid keeping performance
Carry out the problem of test and evaluation becomes urgent need to resolve.2008, Hu Jun et al. invented the side that tobacco moisture percentage continuously measures
Method and its device can continuously monitor tobacco moisture percentage using the device, to more different humectant humid keeping performances
Difference.What Bao Jiang in 2009 et al. has invented tobacco moisture percentage test glove box, measures pipe tobacco and originates moisture content；In constant temperature and humidity
Pipe tobacco weight and its variation are measured in the glove box of environment；Measured value is recorded, according to starting moisture content and example weight
Variation release pipe tobacco instant moisture content, form a series of data point of the instant moisture content relative time of pipe tobaccos；Make pipe tobacco
Instant moisture content time graph compares tobacco guarantor according to the comparison of the slope of the early period of the curve and the equilibrium moisture content in later stage
Moisten agent humectation effect nuance.2011, Wu up to et al. using dynamic water adsorption analysis system research pipe tobacco in dry ring
The dynamic law of moisture loss in border, obtain moisture in cut tobacco scatter and disappear early period moisture content of drying base and the square root of time between deposit
In preferable linear dependence, pass through t moment pipe tobacco moisture content of drying base MtValue is to t0.5Make rectilinear, from the slope of gained straight line
Rate constants k value is found out, and in this, as the foundation of test humid keeping performance of tobacco, can be used for investigating tobacco humectant performance and cigarette
Careless humectant screening etc..2013, Hu Jun et al. disclosed a kind of method of evaluation humid keeping performance of tobacco, utilizes tobacco moisture percentage
Measuring device measures tobacco sample pipe tobacco weight in constant environment and changes with time and carry out nonlinear fitting, by dynamics
Index is to solve the average rate-of-loss of coolant value of wet (moisture absorption) as the foundation for evaluating tobacco sample humid keeping performance.
Cigarette physics humid keeping performance can be divided into two aspects of thermodynamics and kinetics.In Thermodynamic Criteria sector application compared with
To be widely " equilibrium moisture content ", it is an important factor for influencing cigarette physics humid keeping performance and basis, is cigarette dehydration
Internal cause reflects the inherent moisture holding capacity of cigarette.Dynamics index is mainly cigarette moisture loss rate or half-life period, it is object
Reason humid keeping performance most directly embodies.In dry area, if cigarette moisture declines too fast, it is dried quickly, is easy to disappearing
The impression that expense person causes humid keeping performance not good enough.Therefore, thermodynamics and kinetics should be taken into account simultaneously by investigating tobacco physics humid keeping performance
Index.
Invention content
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of new test side of humid keeping performance of tobacco is provided
Method, overcome in the prior art the test and evaluation to humid keeping performance of tobacco can not take into account the defect of thermodynamics and kinetics.
In order to realize object above and other purposes, the present invention including following technical scheme by realizing：
The invention discloses a kind of humid keeping performance of tobacco test methods, include the following steps：
1) sample pre-treatments：Tobacco will be weighed as sample and balance 48~72h；
2) test of example weight dynamic is acquired with data：Sample is placed in cigarette humectation test equipment, the temperature of equipment
With relative humidity set to presumptive test value, the continuous variation of t weighs sample quality m at any time, and records result；
3) moisture content of drying base calculates and dehydration Drawing of Curve：According to the sample quality m data that t changes at any time, using baking
Case method obtains the butt quality m of sampleIt is dryAnd moisture content of drying base q is calculated, draw sample moisture content of drying base q t change curves at any time；
Wherein,mtFor the quality of sample after baking time t in an oven, mIt is dryMatter after being dried for sample
Amount；
4) moisture is fitted with data than calculating：Moisture ratio MR when obtaining t moment is calculated, whereinIts
In, qtFor the corresponding moisture content of drying base of t moment, q0For initial moisture content of drying base, qeFor final moisture content of drying base；
5) data fitting and corresponding time t under specific moisture ratioMRIt calculates：By the corresponding moisture ratio MR of time ttSubstitute into MR
=exp (- ktd) be fitted in equation, obtain constant k and d；And according to formulaIt is more right than lower to calculate specific moisture
The time answered；
6) average rate-of-loss of coolant v of the average percentage of water loss v or specific moisture than underMR：
Wherein, k and d is constant, t0For initial time section, t is the t times
Section, q0For the moisture content of drying base of initial time；qeFor final moisture content of drying base；
q0For the moisture content of drying base of initial time；qeFor final moisture content of drying base,
tMRTo reach the moisture ratio MR corresponding periods；
7) calculating of humectation index M RI：OrOrWhereinFor
The t of several same samplesMRAverage value,For the q of several same sampleseAverage value,For several same samples v it is flat
Mean value.
Preferably, the temperature balanced in step 1) is 20~25 DEG C, and equilibrium humidity is 55~65%.
Preferably, balance is carried out in standard environment in step 1), standard environment RH=60%, T=22 DEG C.
Preferably, the test equipment of cigarette humectation described in step 2) is dynamic water analysis system DVS, tobacco moisture percentage is surveyed
One kind in trial work casing or dynamic water analysis climate box.
Preferably, the temperature of equipment is 20~25 DEG C in step 2)；Equipment humidity is 30~40%；The number of the data
At least 50.
Oven Method described in step 3) is using the test common baking oven of moisture content of drying base in tobacco business in the prior art
Method is tested, wherein oven temperature is 100 DEG C in Oven Method, drying time 2h.
Preferably, the t in step 6)MRBe MR be 0.367 or 0.5 corresponding to time.
Preferably, v described in the step 6)MRBe MR be 0.367 or 0.5 corresponding to average rate-of-loss of coolant.
Preferably, in step 7), the humectation indexOrOr Corresponding average rate-of-loss of coolant when be MR being 0.367,Corresponding average rate-of-loss of coolant when be MR being 0.5.
The invention also discloses purposes of the method as described above on test humid keeping performance of tobacco.
As described above, humid keeping performance of tobacco test method of the present invention, has the advantages that：
The humid keeping performance of tobacco test and evaluation method, realizes and reduces test period to the maximum extent, reduce centre
Link and manual operation error, substantially increase the degree of automation, and use the better drying model PAGE equations of degree of fitting
Data processing is carried out, devises the humectation index that can directly characterize tobacco physics humid keeping performance quality, which takes into account simultaneously
The kinetic factor and Thermodynamics for influencing humid keeping performance evaluate humid keeping performance of tobacco compared to current industry with single index
More science and comprehensive, test data of the evaluation index suitable for all kinds of humectation test equipments.This method is in current industry
Mainstream humectation test equipment is such as：Dynamic water analysis system DVS, tobacco moisture percentage test glove box, dynamic water analyze weather
Case etc. is applicable.Humectation index is bigger, and humid keeping performance is better.
A kind of humid keeping performance of tobacco test and evaluation method is provided in the present invention, for solving to lack in the prior art energy soon
Speed, it is easy, precisely, the problem of test and evaluation comprehensively is carried out to pipe tobacco humid keeping performance.In view of the physics humid keeping performance of tobacco
There are stronger correlation, humectation evaluation method to take into account thermodynamics and kinetics index simultaneously with thermodynamics, dynamics index, from
And more fully and scientifically tobacco physics humid keeping performance is evaluated.
Humid keeping performance of tobacco test and evaluation method disclosed in the present invention overcome many disadvantages in the prior art and
It is creative.
Description of the drawings
Fig. 1 is the flow diagram of humid keeping performance of tobacco evaluation method of the present invention.
Fig. 2 is the dehydration curve graph that the moisture content of drying base in 1 method of the embodiment of the present invention changes over time.
Fig. 3 is the dehydration curve graph that the moisture content of drying base of tobacco sample in 2 method of embodiment in the present invention changes over time.
Fig. 4 is the dehydration curve graph that the moisture content of drying base of tobacco sample in 3 method of the embodiment of the present invention changes over time.
Fig. 5 is the dehydration curve graph that the moisture content of drying base of tobacco sample in 4 method of the embodiment of the present invention changes over time.
Specific implementation mode
With reference to embodiment, the present invention is further explained.It should be understood that embodiment is merely to illustrate the present invention, and it is unrestricted
The scope of the present invention.
It please refers to Fig.1 to Fig. 5.It should be noted that the diagram provided in the present embodiment only illustrates this in a schematic way
The basic conception of invention, package count when only display is with related component in the present invention rather than according to actual implementation in schema then
Mesh, shape and size are drawn, when actual implementation kenel, quantity and the ratio of each component can be a kind of random change, and its
Assembly layout kenel may also be increasingly complex.
As shown in Figure 1, humid keeping performance of tobacco evaluation method of the present invention, includes the following steps：
1) a certain amount of tobacco sample is weighed to be positioned in the planchet of known quality；Wherein, tobacco sample is quality
It is selected as 1.0000g~20.0000g, and is preferably 22 DEG C ± 1 DEG C under standard environment, relative humidity is 60% ± 1% balance 48
~72h；
2) by humectation test equipment environment temperature and relative humidity set to presumptive test value, change constantly at any time
Change the quality m for weighing tobacco samplet, time interval is preferably 0 second~300 seconds, and records each weighing result, is accurate to
0.0001g obtains the corresponding tobacco sample quality of time t, and sample quality unit is g, and the unit of t is min；
3) delta data of export sample quality m t at any time in humectation test equipment, tobacco sample is measured using Oven Method
The weight m of product calculates moisture content of drying base q, moisture content of drying basemtFor the quality of t moment sample, mIt is dry
Quality after being dried for sample, the moisture content of drying base for obtaining sample change with time and data and draw dehydration curve graph.Quality m
Unit be g, the unit of moisture content of drying base q is %, and the unit of time t is min；
4) the corresponding moisture ratios of time t are calculated in the moisture measured according to step 3)Wherein qtFor
The corresponding moisture content of drying base of time t, q0For initial moisture content of drying base, qeFor final moisture content of drying base, unit is %；
5) models fitting investigation is carried out by lot of experimental data, it is found that moisture more meets the side PAGE than the relationship with the time
Journey MR=exp (- ktd), data are fitted and are acquired reach specified moisture than the corresponding time
tMRBigger, the dehydration of tobacco sample is slower, tMRSmaller, the dehydration of tobacco sample is faster；
6) by k, d, q0And qeValue substitutes intoOrIn, obtain spy
It fixing time or the average rate-of-loss of coolant v of tobacco sample under dedicated half-life, v is bigger, and the dehydration of tobacco sample is faster, and v is smaller,
The dehydration of tobacco sample is slower；
7) the dynamics index t that will 5) obtainMROr 6) dynamics index obtained is averaged rate-of-loss of coolant v and Thermodynamic Criteria
qeIt is added after normalizing respectively and obtains humectation index (MRI).Wherein, average rate-of-loss of coolant and humid keeping performance are negatively correlated, therefore should
Xiang Qianjia negative signs, humectation index is bigger, and humid keeping performance is better.
OrOr
The humid keeping performance of tobacco test method utilizes the humectation test equipment research pipe tobacco that temperature and relative humidity can be arranged
The dynamic law of moisture loss in dry environment, the results showed that the moisture in moisture in cut tobacco dispersion process is than the pass with the time
System meets PAGE equations, is fitted to obtain corresponding parameter with the equation by data, calculates the average mistake under dedicated half-life
Water speed rate is normalized and is added as another evaluation index, by two indices as evaluation index, final moisture content of drying base
To humectation index.This method is applicable in all kinds of humectation test equipments, more scientific and reasonable compared to traditional evaluation method result.
The specific embodiment of above-mentioned humid keeping performance of tobacco test method is as follows.
Embodiment 1
1) preparation of samples：12g tobacco samples are weighed respectively to be placed in the planchet of known quality, the title of tobacco sample and
Serial number is as shown in table 1；
1 tobacco sample title table of table
| Serial number | Tobacco sample title |
| 1 | Cut tobacco 1 |
| 2 | Cut tobacco 2 |
| 3 | Cut tobacco 3 |
| 4 | Swollen silk 1 |
| 5 | Swollen silk 2 |
| 6 | Swollen silk 3 |
| 7 | Stem 1 |
| 8 | Stem 2 |
| 9 | Stem 3 |
2) tobacco sample balances 48 hours in standard environment；The standard environment be RH=60%, T=22 DEG C；
3) moisture content of drying base dynamic is tested：Preset in dynamic water analysis climate box the temperature of air environment and opposite
Humidity distinguishes 22 DEG C and 40%, and sets and record a sample quality per 20s, and quality is accurate to 0.0001g；It is sequentially placed into 9
It brings into operation after tobacco sample, is automatically stopped after operation to 15h, obtains the corresponding tobacco sample quality m of time tt；Oven Method obtains
To the corresponding moisture content of drying base q of sample time tt, the moisture content of drying base q of tobacco sampletWith homologous thread such as Fig. 2 institutes of time t
Show；
4) data calculate：It calculates the moisture ratio at each moment and carries out PAGE equation MR=exp (- ktd) fitting, acquire k,
The value of d substitutes into time t of the PAGE equation calculation each sample corresponding to MR=0.3670.367, and according to the final dry of each sample
Base moisture content, calculates separately 9 sample moisture than the time being down to needed for 0.367 and the average value of final moisture content of drying base,
It substitutes intoThe humectation index of each sample is calculated.
Table 23 grows tobacco sample average rate-of-loss of coolant, final moisture content of drying base and humectation index
Shown by 2 data of table, cut tobacco, swollen silk and stem under RH=40% dry environments corresponding to MR=0.367 when
Between be respectively 94.17min, 66.09min and 63.63min (3 Duplicate Samples are averaged, similarly hereinafter).Cut tobacco, swollen silk and stem are most
Whole moisture content of drying base difference 8.95%, 8.82% and 9.93%.It is 2.23 that respective humectation index cut tobacco, which is finally calculated, swollen
Silk is 1.84, stem 1.93, and the relative standard deviation between Duplicate Samples is smaller.Therefore, the humid keeping performance of cut tobacco is best, secondly
For stem and swollen silk.
Embodiment 2
1) preparation of samples：1g pipe tobaccos blank control sample is weighed respectively and the different humectants of addition obtain tobacco sample and are placed in
Know in the planchet of quality and test one by one, the title and serial number of tobacco sample are as shown in table 3；
3 tobacco sample title table of table
| Serial number | Tobacco sample title |
| 1 | Pipe tobacco blank control |
| 2 | Pipe tobacco+humectant 1 |
| 3 | Pipe tobacco+humectant 2 |
| 4 | Pipe tobacco+humectant 3 |
2) tobacco sample balances 48 hours in standard environment；The standard environment be RH=60%, T=22 DEG C.
3) moisture content of drying base dynamic is tested：Set dynamic water tester (DVS) temperature and relative humidity distinguish 22 DEG C and
30%, do not have 1min to record a sample quality, quality is accurate to 0.000001g, is automatically stopped into drying journey after running 15h
Sequence obtains the corresponding tobacco sample quality m of time ttAnd final mass, that is, dry weight mIt is dry；The corresponding butts of time t are calculated to contain
Water rate qt, the moisture content of drying base q of tobacco sampletIt is as shown in Figure 3 with the homologous thread of time t；
4) data calculate：It calculates the moisture ratio at each moment and carries out PAGE equation MR=exp (- ktd) fitting, acquire k, d
Value substitutes into time t of the PAGE equation calculation each sample corresponding to MR=0.3670.367, by
Moisture is obtained than being down to the average rate-of-loss of coolant of 0.367 period by 1, and according to the final moisture content of drying base of each sample, is counted respectively
The average value v of 4 sample average rate-of-losss of coolant of calculation and the average value of final moisture content of drying baseIt substitutes into
The humectation index of each sample is calculated.
44 kinds of tobacco sample v of table0.367, final moisture content of drying base and humectation index
It is shown by 4 data of table, humectant has castering action, 3 kinds of humectants to have in low humidity the humid keeping performance of pipe tobacco
Slow down rate-of-loss of coolant in environment, and improve the effect of final moisture content of drying base, wherein the humectation best results of humectant 2.
Embodiment 3
1) preparation of samples：Weigh respectively 10g stem blank control samples and be added to humectant stem sample be placed in it is known
In the planchet of quality, the title and serial number of tobacco sample are as shown in table 5；；
5 tobacco sample title table of table
| Serial number | Tobacco sample title |
| 1 | Stem blank control |
| 2 | Stem+humectant 1 |
| 3 | Stem+humectant 2 |
| 4 | Stem+humectant 3 |
2) tobacco sample balances 48 hours in standard environment；
3) moisture content of drying base dynamic is tested：Preset climate box air environment temperature and relative humidity distinguish 22 DEG C and
40%, and set and record a sample quality per 20s, quality is accurate to 0.0001g；Start after being sequentially placed into 4 tobacco samples
Operation is automatically stopped after operation to 48h, obtains the corresponding tobacco sample quality m of time tt；Oven Method obtains t pairs of sample time
The moisture content of drying base q answeredt, the moisture content of drying base q of tobacco sampletIt is as shown in Figure 4 with the homologous thread of time t；
4) data calculate：It calculates the moisture ratio at each moment and carries out PAGE equation MR=exp (- ktd) fitting, acquire k,
The value of d substitutes into time t of the PAGE equation calculation each sample corresponding to MR=0.50.5, byIt obtains
Moisture, according to the final moisture content of drying base of each sample, calculates separately 4 samples than being down to the average rate-of-loss of coolant of 0.5 period by 1
Product are averaged the average value of rate-of-loss of coolantAnd the average value of final moisture content of drying baseIt substitutes intoIt calculates
To the humectation index of each sample.
64 kinds of stem sample v of table0.5, final moisture content of drying base and humectation index
6 data of table show that humectant has castering action, 3 kinds of humectants to have in low humidity ring the humid keeping performance of stem
Slow down the effect of rate-of-loss of coolant in border, wherein humectant 1 and humectant 2 has the function of improving moisture content of drying base, and humectant 3
Humectation most pronounced effects.
Embodiment 4
1) preparation of samples：It takes 16 finished cigarettes to tear pipe tobacco (a~j) open and tile afterwards to be placed in the planchet of known quality；
2) tobacco sample balances 48 hours in standard environment；
3) moisture content of drying base dynamic is tested：Preset climate box air environment temperature and relative humidity distinguish 22 DEG C and
40%, and set and record a sample quality per 20s, quality is accurate to 0.0001g；Start after being sequentially placed into 10 tobacco samples
Operation is automatically stopped after operation to 48h, obtains the corresponding tobacco sample quality m of time tt；Oven Method obtains t pairs of sample time
The moisture content of drying base q answeredt, the moisture content of drying base q of tobacco sampletIt is as shown in Figure 5 with the homologous thread of time t；
4) data calculate：It calculates the moisture ratio at each moment and carries out PAGE equation MR=exp (- ktd) fitting, acquire k,
The value of d, by k, d, q0, qeValue substitute intoIn, calculate the average dehydration speed of 90min before sample
Rate v, and according to the final moisture content of drying base of each sample calculates separately 90min before 10 samples and is averaged the average value of rate-of-loss of coolantAnd the average value of final moisture content of drying baseIt substitutes intoThe humectation that each sample is calculated refers to
Number.
7 10 kinds of cigarette rags sample v of table90min, final moisture content of drying base and humectation index go
The humectation index of 10 cigarette rags samples is ranked up from high to low by 7 data of table, humid keeping performance
It is d, j, c, g, h, f, b, a, i, e to have excellent arrive bad.
In conclusion humid keeping performance of tobacco evaluation method of the present invention, by the comprehensive of two big index of thermodynamics and dynamics
Close consider devise the humectation index that can directly characterize humid keeping performance quality, science and it is intuitive, it is applied widely.
The above, only presently preferred embodiments of the present invention, not to the present invention in any form with substantial limitation,
It should be pointed out that for those skilled in the art, under the premise of not departing from the method for the present invention, can also make
Several improvement and supplement, these are improved and supplement also should be regarded as protection scope of the present invention.All those skilled in the art,
Without departing from the spirit and scope of the present invention, when made using disclosed above technology contents it is a little more
Dynamic, modification and the equivalent variations developed, are the equivalent embodiment of the present invention；Meanwhile all substantial technologicals pair according to the present invention
The variation, modification and evolution of any equivalent variations made by above-described embodiment, still fall within the range of technical scheme of the present invention
It is interior.
Claims (8)
1. a kind of humid keeping performance of tobacco test method, includes the following steps：
1) sample pre-treatments：Tobacco will be weighed as sample and balance 48~72h；
2) test of example weight dynamic is acquired with data：Sample is placed in cigarette humectation test equipment, the temperature and phase of equipment
To humidity set to presumptive test value, the continuous variation of t weighs sample quality m at any time, and records result；
3) moisture content of drying base calculates and dehydration Drawing of Curve：According to the sample quality m data that t changes at any time, using Oven Method
Obtain the butt quality m of sampleIt is dryAnd moisture content of drying base q is calculated, draw sample moisture content of drying base qtThe dehydration of t variations is bent at any time
Line；Wherein,mtFor the quality of sample after baking time t in an oven, mIt is dryAfter being dried for sample
Quality；
4) moisture is than calculating：Moisture ratio MR when obtaining t moment is calculated, whereinWherein, qtFor t moment pair
The moisture content of drying base answered, q0For initial moisture content of drying base, qeFor final moisture content of drying base；
5) data fitting and corresponding time t under specific moisture ratioMRCalculating：The corresponding moisture ratio MR of time t are substituted into MR=
exp(-ktd) be fitted in equation, constant k and d are obtained, and according to formula Specific moisture is calculated than lower correspondence
Time；
6) average rate-of-loss of coolant v of the average percentage of water loss v or specific moisture than underMR：
Wherein, k and d is constant, t0For initial time section, t is t periods, q0
For the moisture content of drying base of initial time；qeFor final moisture content of drying base；q0When being initial
The moisture content of drying base at quarter；qeFor final moisture content of drying base, tMRTo reach the moisture ratio MR corresponding periods；
7) calculating of humectation index M RI：OrOrWhereinFor several phases
With the t of sampleMRAverage value,For the q of several same sampleseAverage value,For the average value of the v of several same samples.
2. method as described in claim 1, it is characterised in that：The temperature balanced in step 1) is 20~25 DEG C, and equilibrium humidity is
55~65%.
3. method as described in claim 1, it is characterised in that：The test equipment of cigarette humectation described in step 2) is dynamic water point
One kind in analysis system DVS, tobacco moisture percentage test glove box or dynamic water analysis climate box.
4. method as described in claim 1, it is characterised in that：The temperature of equipment is 20~25 DEG C in step 2)；Equipment humidity is
30~40%；The number of the data is at least 50.
5. method as described in claim 1, it is characterised in that：T in step 6)MRBe MR be 0.367 or 0.5 corresponding to when
Between.
6. method as described in claim 1, it is characterised in that：V described in the step 6)MRBe MR be 0.367 or 0.5 corresponding to
Average rate-of-loss of coolant.
7. method as described in claim 1, it is characterised in that：In step 7), the humectation indexOrOr Average rate-of-loss of coolant when be MR being 0.367 corresponding to several same samples
Average value,The average value of average rate-of-loss of coolant when be MR being 0.5 corresponding to several same samples.
8. such as purposes of any the method for claim 1~7 on test humid keeping performance of tobacco.
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| CN107490658B (en) * | 2017-09-11 | 2019-07-16 | 云南中烟工业有限责任公司 | A kind of evaluation method of cigarette humid keeping performance |
| CN111189974A (en) * | 2020-01-07 | 2020-05-22 | 云南中烟工业有限责任公司 | Method for evaluating moisture-proof and moisture-retaining performance of package |
| CN111474290A (en) * | 2020-04-29 | 2020-07-31 | 上海烟草集团有限责任公司 | Method for measuring protein content in tobacco |
| CN112989554B (en) * | 2020-12-31 | 2023-06-30 | 北京石油化工学院 | Agricultural product water ratio acquisition method, device and equipment based on different drying stages |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5470874A (en) * | 1994-10-14 | 1995-11-28 | Lerner; Sheldon | Ascorbic acid and proanthocyanidine composition for topical application to human skin |
| JP4053799B2 (en) * | 2002-03-19 | 2008-02-27 | 三井化学ポリウレタン株式会社 | Polyol, production method thereof, polyurethane resin or foam obtained from the polyol |
| CN102128763B (en) * | 2010-11-16 | 2012-07-04 | 上海烟草集团有限责任公司 | Method for testing humid keeping performance of tobacco |
| CN102636407A (en) * | 2012-04-10 | 2012-08-15 | 广西中烟工业有限责任公司 | Tobacco physical humectation performance testing method |
| CN103105341B (en) * | 2013-01-31 | 2015-05-27 | 中国烟草总公司郑州烟草研究院 | Method for evaluating humidity keeping performance of tobacco |
| CN103471957A (en) * | 2013-09-25 | 2013-12-25 | 上海烟草集团有限责任公司 | Tobacco moisture-retaining performance test method |
| CN103760062B (en) * | 2014-02-14 | 2016-08-17 | 江苏中烟工业有限责任公司 | A kind of evaluation methodology of humectant for smoke humid keeping performance |
| CN103776720B (en) * | 2014-02-14 | 2016-09-07 | 江苏中烟工业有限责任公司 | A kind of evaluation method of cigarette raw material humid keeping performance |
| CN104013094B (en) * | 2014-06-26 | 2016-06-08 | 福建中烟工业有限责任公司 | A kind of raising CO2The additive of expanded cut tobacco quality and the application in cigarette thereof |
| CN104634693B (en) * | 2015-01-15 | 2017-05-24 | 华环国际烟草有限公司 | Method for obtaining drying characteristic parameter of blend-threshed tobacco leaves in redrying technology |
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