CN202869916U - Primaquine-base quantometer - Google Patents
Primaquine-base quantometer Download PDFInfo
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- CN202869916U CN202869916U CN 201220241965 CN201220241965U CN202869916U CN 202869916 U CN202869916 U CN 202869916U CN 201220241965 CN201220241965 CN 201220241965 CN 201220241965 U CN201220241965 U CN 201220241965U CN 202869916 U CN202869916 U CN 202869916U
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Abstract
The utility model discloses a novel primaquine-base quantometer mainly used in measuring the primaquine-base content in protein by improving a primaquine-base measurer. The novel primaquine-base quantometer can be used for measuring the primaquine-base content in various proteins and various polypeptides. The primaquine-base quantometer mainly comprises a reaction part, a gas washing part, a gas quantifying part and a recycling part and has the characteristics of simplicity, quickness, precision, cleanness and the like.
Description
Technical field
The utility model belongs to chemical analysis test instrument and equipment field, relates to a kind of instrument---primary amino radical quantitative instrument of (comprising polypeptide, each seed amino acid) of primary amino radical group content in the protein that is mainly used in measuring.
Background technology
The method of measuring at present primary amino radical group content in the protein mainly contains ninhydrin method, TNBS colourimetry, gas chromatography, formaldehyde method, Micellar Electrokinetic Capillary Chromatography exclusion chromatography, Van Slyke's method.Wherein, triketohydrindene hydrate colorimetric and TNBS colorimetric belong to spectrophotometric method, all have instrument error.In addition, for ninhydrin colorimetry, because parahelium also can be with ninhydrin reaction so that error at measurment be larger; TNBS colourimetry selectivity is very strong, and main and lysine epsilon-amino reacts, can not quantitatively whole primary amino radicals.In the formaldehyde method, also there is further the subsidiary reaction with the primary amino radical condensation in methylol compound, affects accuracy of measurement.Gas chromatography principle and Fan Si Rec Method And Principle one to, but instrument and equipment is had relatively high expectations, universal difficulty is larger.
Existing normal form amino acid determining instrument mainly is comprised of reaction unit, amount device of air and air-washer three parts.Wherein reaction unit and air-washer are respectively integral structure, bring many inconvenience to cleaning.Because air-washer is positioned at after reaction unit and the amount device of air, needs Attended mode in the course of reaction, automaticity is low.Former normal form amino acid determining instrument needs special-purpose support to be fixed, and it is large to take up room.Test is subjected to surrounding environment influence larger, can not measure under the low temperature.The amount device of air does not have the temperature control measure, and the gas volume temperature influence is large.The normal form amino acid determining instrument is not unified to process to waste gas, waste liquid, and environmental pollution is serious.
Summary of the invention
For the deficiencies in the prior art, the purpose of this utility model provide a kind of novel primary amino radical quantitative instrument with and using method.
The utility model on the basis of normal form amino acid determining instrument, designs a kind of quick, simple and easy, accurate, clean primary amino radical quantitative instrument take Van Slyke's method as principle.The reactive moieties of analyzer (I) includes magneton (6), and with water-bath chuck (13) and magnetic agitation (7), reactor (11) bottom is for slightly being arranged with meter.The gas washing part (II) of analyzer includes magneton (21), is furnished with magnetic agitation (27), and hemisphere Drexel bottle (20) bottom is flat design.The amount gas part (III) of analyzer is with water-bath chuck (30).This device can be used for the content measurement of primary amino radical group in protein, polypeptide and the micro-amino acid.
A kind of primary amino radical quantitative instrument, formed by reaction unit (I), air-washer (II), amount device of air (III), retracting device (IV), it is characterized in that, reaction unit (I), air-washer (II), amount device of air (III), retracting device (IV) connect successively, and exhausr port and the leakage fluid dram of reaction unit (I), air-washer (II), amount device of air (III) all are connected on the retracting device (IV).
Preferably, described reaction unit (I) comprises reactor (11), charge pipe (3) and connecting pipe (8).Preferably, connecting pipe (8) is with three-way cock (9), (10), and three-way cock (9), (10) are positioned at connecting pipe (8) intersection, is used for adjustments of gas and liquid in the trend of connecting pipe (8).
Preferably, described reactor (11) top is reactor ground (2), and the bottom is for omiting concave bottom, with water-bath chuck (13), as shown in Figure 1.Thin neck feed pipe (5) and a downward leakage fluid dram (17) upwards arranged at reactor (11) bottom; One end of thin neck feed pipe (5) connects charge pipe (3), and the other end passes water-bath chuck (13) and connects with reactor wall (12); Leakage fluid dram (17) passes water-bath chuck (13) and connects with reactor wall (12), is used for the discharge of reactor (11).Preferably, contain recirculated water interface (4) on reactor water-bath chuck (13) outer wall, be used for the communication loop water-bath.Preferably, reactor (11) contains magneton (6), the supporting magnetic agitation in bottom (7).
Preferably, described reaction unit (I) comprises two charge pipes---charge pipe (3) and charge pipe (14); Charge pipe (3) is 20～25ml, and charge pipe (14) is about 10～15ml; Reaction unit (I) comprises two thin neck feed pipes, and thin neck feed pipe (5) and thin neck feed pipe (15) connect respectively charge pipe (3) and charge pipe (14).
Preferably, connecting pipe (8) is connected with reactor ground (2) by the connecting pipe ground (1) of thin neck glass tube one end.Connecting pipe (8) is upper with three-way cock (9), (10), and three-way cock (9) links to each other with connecting pipe ground (1) by thin neck glass tube.Three-way cock (10) links to each other with hemisphere Drexel bottle (20) by thin neck glass tube.
Air-washer (II) comprises hemisphere Drexel bottle (20) and surge flask (23); Hemisphere Drexel bottle (20) is connected with inclined hole three-way cock (29) through thin neck glass tube (18).Preferably, hemisphere Drexel bottle (20) volume is 150～200ml, and surge flask (23) volume is 100～150ml.
Preferably, hemisphere Drexel bottle (20) top connects the S thin neck glass tube of shape (19), is used for the gas turnover; The bottom is used for discharge opeing with a leakage fluid dram (26), and is used for connecting surge flask (23) with one 90 ° upward bent thick neck glass tubes (25).Hemisphere Drexel bottle (20) is flat, includes magneton (21), supporting magnetic agitation (27).
Amount device of air (III) comprises eudiometer tube (31) and leveling bottle (32); Eudiometer tube (31) links to each other through silicone tube (33) with leveling bottle (32).Preferably, eudiometer tube (31) is outer water-bath chuck (30), and the range of eudiometer tube (31) is 25ml, and minimum division value is 0.02ml.
Preferably, inclined hole three-way cock (29) is arranged at eudiometer tube (31) top; Leakage fluid dram (22) and air intake opening (28) are arranged at inclined hole three-way cock (29) top, and leakage fluid dram (22) leads to adapter (34) by six and communicates with waste liquid bottle (36).Air intake opening (28) communicates with hemisphere Drexel bottle (20) by thin neck glass tube (18).
Described retracting device (IV) comprises six and leads to adapter (34) and waste liquid bottle (36).Preferably, waste liquid bottle (36) is furnished with the rubber plug (39) that contains feed tube (37), gas outlet (38).
The utility model reactor (11) is furnished with water-bath chuck (13), the bottom connects two charge pipes, charge pipe (3) and charge pipe (14), reactor ground (2) is connected with connecting pipe (8) by the connecting pipe ground (1) of thin neck glass tube one end, connecting pipe (8) other end joins by thin neck glass tube (16) and hemisphere Drexel bottle (20), and hemisphere Drexel bottle (20) bottom connects surge flask (23) by thick neck glass tube (25).Hemisphere Drexel bottle (20) top is connected with the thin neck glass tube of S shape (19), and the thin neck glass tube of S shape (19) links to each other with inclined hole three-way cock (29) by thin neck glass tube (18).Eudiometer tube (31) is outer water-bath chuck (30), and recirculated water interface (24) is arranged on the water-bath chuck (30).Eudiometer tube (31) bottom links to each other with leveling bottle (32) by silicone tube (33).Discharge opeing (gas) mouthful (40), discharge opeing (gas) mouthful (41), reactor leakage fluid dram (17), hemisphere Drexel bottle leakage fluid dram (26) are connected 22 with the eudiometer tube leakage fluid dram) all lead to adapter (34) by silicone tube (on the silicone tube of leakage fluid dram (17), (26) with tongs) and six and be connected, be connected on the retracting device (IV) by silicone tube (35) again.
The recirculated water interface (4) of reaction unit of the present utility model (I), amount device of air (III), (24) connect constant temperature water bath, in order to temperature in conditioned reaction temperature and the eudiometer tube; Reactor (11) includes magneton (6), and the bottom is furnished with magnetic agitation (7), can reaction speed by regulating stirring rate.Hemisphere Drexel bottle of the present utility model (20) includes magneton (21), and the bottom is furnished with magnetic agitation (27), regulates gas washing speed by regulating stirring rate.
The utility model also provides the method for operating of described primary amino radical quantitative instrument, may further comprise the steps:
Carry out first preliminary work before the use of the present utility model, the vacuum silicone grease is smeared in each cock, each interface of good seal, reactor leakage fluid dram (17) and hemisphere Drexel bottle leakage fluid dram (26) clip with tongs.At first with washing lotion (potassium permanganate 20g, NaOH 20g, deionized water 200ml), pour into from surge flask (23), fill with hemisphere Drexel bottle (20) and locate to inclined hole three-way cock (29), turn inclined hole three-way cock (29) does not communicate inclined hole three-way cock (29) with each side.Inject deionized water from leveling bottle (32), after eudiometer tube (31) was filled with deionized water, turn eudiometer tube cock maintenance dose tracheae (31) was full of water state.Turn three-way cock (10) makes the washing lotion in the hemisphere Drexel bottle (20) be filled to three-way cock (10), then regulates three-way cock (10) so that hemisphere Drexel bottle (20) does not communicate with reaction unit (I), retracting device (IV).All be full of liquid in hemisphere Drexel bottle this moment (20) and the eudiometer tube (31), and and isolate from outer air, then ON cycle water-bath, it is temperature required to set test.
Add glacial acetic acid 20ml from charge pipe (3) first during the utility model test sample, then the about 20ml of sodium nitrite in aqueous solution that adds massfraction 40%, close charge pipe (3), add the deionized water fluid-tight, with a small amount of deionized water gas in the tubule of charge pipe (14) bottom is caught up with into reactor (11), closed charge pipe (14).Turn three-way cock (9) communicates reactor (11) and three-way cock (10).Open magnetic agitation (7), reactor (11) internal reaction generates NO gas, keeps 5min, the interior air of emptying reactor (11).Open magnetic agitation (27), turn three-way cock (10) makes reaction unit (I) communicate with air-washer (II).In charge pipe (14), add testing protein solution, slowly open charge pipe (14) cock, make the slow inflow reactor of liquid to be measured (11), and with a small amount of deionized water rinsing charge pipe (14), with the n-octyl alcohol fluid-tight.Closed charge pipe (14) during reinforced the end.Reactor (11) begins timing from adding liquid to be measured, and reaction 40～60min stops reaction.Open charge pipe (3) cock, so that liquid enters reactor (11) in the charge pipe (3), gas in the reactor (11) is caught up with fully into hemisphere Drexel bottle (20).Turn three-way cock (10) makes reactor (11) communicate with waste liquid bottle (36), does not communicate with hemisphere Drexel bottle (20).Open leakage fluid dram (17) the emptying reactant liquor of reactor (11).Increase the stirring rate of the interior magneton of hemisphere Drexel bottle (20) (21), keep 5min.The stop magnetic agitation (27) of hemisphere Drexel bottle (20), leave standstill 5min, the inclined hole three-way cock (29) on turn eudiometer tube (31) top, the interior gas of hemisphere Drexel bottle (20) is caught up with into eudiometer tube (31), when gas washing liquid flow to inclined hole three-way cock (29) when locating, turn inclined hole three-way cock (29) is so that eudiometer tube each side is not connected.Then leave standstill 5min, improve leveling bottle (32), make the interior liquid levels of leveling bottle (32) and the interior liquid surface level of eudiometer tube (31), read eudiometer tube (31) scale, record gas volume V, record air pressure this moment and eudiometer tube circulator bath temperature are used for calculating primary amino radical content simultaneously.
The utility model is compared original technology and is had following advantage:
1, reaction is not subjected to the external environmental condition variable effect, compares the normal form amino acid determining instrument and can eliminate environment temperature to the impact of reaction.Determination data is stable, and the more original device of average error has reduced more than 80%.
2, air-washer (II) is positioned between reaction unit (I) and the amount device of air (III), has accomplished the unmanned in the course of reaction, has greatly saved manpower, has improved the plant automation degree.Hemisphere Drexel bottle (20) is furnished with magnetic agitation (27), automatically gas washing.Reactor (11) is furnished with magnetic agitation (7), and reaction is more fully carried out, and has improved reaction efficiency.
3, amount gas has partly increased the temperature control interlayer, thereby has eliminated the impact of temperature on gas volume, has reduced instrument error, because the amount device of air is double-layer glass structure, the eudiometer tube scale reading is convenient, and is clear.
4, connecting pipe (8) has adopted two three-way cock structures, effectively solved between washing lotion and the reactant liquor between mix and cause the problem of test crash, played good buffer action.
5, the use of retracting device (IV) is so that more environmental protection of course of reaction, and reactant liquor and washing lotion can interact, and have reduced intractability and the cost of waste liquid.
6, the new instrument volume is less, is convenient to settle, and has effectively saved lab space.
Description of drawings:
Fig. 1 primary amino radical quantitative instrument of the present utility model synoptic diagram.Wherein:
1, connecting pipe ground 2, reactor ground 3, charge pipe 4, recirculated water interface 5, thin neck feed pipe 6, magneton 7, magnetic agitation 8, connecting pipe 9, three-way cock 10, three-way cock 11, reactor 12, reactor wall 13, water-bath chuck 14, charge pipe 15, thin neck feed pipe 16, thin neck glass tube 17, leakage fluid dram 18, thin neck glass tube 19, the thin neck glass tube 20 of S shape, hemisphere Drexel bottle 21, magneton 22, leakage fluid dram 23, surge flask 24, recirculated water interface 25, thick neck glass tube 26, leakage fluid dram 27, magnetic agitation 28, air intake opening 29, inclined hole three-way cock 30, water-bath chuck 31, eudiometer tube 32, leveling bottle 33, silicone tube 34, six lead to adapter 35, silicone tube 36, waste liquid bottle 37, feed tube 38, gas outlet 39, rubber plug 40, discharge opeing (gas) mouth 41, discharge opeing (gas) mouth
Embodiment:
A kind of primary amino radical quantitative instrument, formed by reaction unit I, air-washer II, amount device of air III, retracting device IV, reaction unit I, air-washer II, amount device of air III, retracting device IV connect successively, and exhausr port and the leakage fluid dram of reaction unit I, air-washer II, amount device of air III all are connected on the retracting device IV.Discharge opeing (gas) mouth of reaction unit I, air-washer II, amount device of air III all connects the retracting device IV; The retracting device IV comprises six and leads to adapter 34, waste liquid bottle 36 and gas outlet 38.
Described reaction unit I comprises reactor 11, charge pipe 3 and connecting pipe 8; Connecting pipe 8 is with three-way cock 9, and three-way cock 9 is positioned at connecting pipe 8 intersections.Reactor 11 tops are reactor ground 2, and the bottom is for omiting concave bottom, with water-bath chuck 13; Thin neck feed pipe 5,15 and downward leakage fluid drams 17 are upwards arranged at reactor 11 bottoms; Thin neck feed pipe 5, an end of 15 connect charge pipe 3,14, and the other end passes water-bath chuck 13 and connects with reactor wall 12; Leakage fluid dram 17 passes water-bath chuck 13 and is communicated with reactor wall 12.On the connecting pipe 8 with two three- way cocks 9,10; Three-way cock 9 is connected with reactor ground 2 by the connecting pipe ground 1 of thin neck glass tube one end, and the other end of three-way cock 9 is connected with three-way cock 10 by thin neck glass tube; Three-way cock 10 joins by thin neck glass tube and three-way cock 9, and the other end of three-way cock 10 joins by thin neck glass tube and hemisphere Drexel bottle 20.Contain recirculated water interface 4 on reactor water-bath chuck 13 outer walls, be used for the communication loop water-bath.Reactor 11 contains magneton 6, the supporting magnetic agitation 7 in bottom.
The air-washer II is between reaction unit I and amount device of air III; The air-washer II comprises hemisphere Drexel bottle 20 and surge flask 23; Hemisphere Drexel bottle 20 is connected with inclined hole three-way cock 29 through thin neck glass tube 18; Hemisphere Drexel bottle 20 volumes are 150～200ml, and surge flask 23 volumes are 100～150ml.Hemisphere Drexel bottle 20 directly links to each other with reactor 11 by connecting pipe 8; Hemisphere Drexel bottle middle part has thin neck glass tube 16, top that the thin neck glass tube 19 of S shape is arranged, and hemisphere Drexel bottle 20 is flat, includes magneton 21, joins magnetic agitation 27.
Amount device of air III comprises eudiometer tube 31 and leveling bottle 32; Eudiometer tube 31 links to each other through silicone tube 33 with leveling bottle 32.Outside the eudiometer tube 31 water-bath chuck 30, the range of eudiometer tube 31 being arranged is 25ml, and minimum division value is 0.02ml.Inclined hole three-way cock 29 is arranged at eudiometer tube 31 tops; Leakage fluid dram 22 and air intake opening 28 are arranged at inclined hole three-way cock 29 tops, and leakage fluid dram 22 leads to by six to be taken over 34 and communicate with waste liquid bottle 36.Air intake opening 28 communicates with hemisphere Drexel bottle 20 by thin neck glass tube 18.
The retracting device IV comprises six and leads to adapter 34 and waste liquid bottle 36.Waste liquid bottle 36 is furnished with the rubber plug 39 that contains feed tube 37, gas outlet 38.
Reactor 11 is furnished with water-bath chuck 13, the bottom connects two charge pipes, charge pipe 3 and charge pipe 14, reactor ground 2 is connected with connecting pipe 8 by the connecting pipe ground 1 of thin neck glass tube one end, connecting pipe 8 other ends join with hemisphere Drexel bottle 20 by thin neck glass tube 16, and hemisphere Drexel bottle 20 bottoms connect surge flask 23 by thick neck glass tube 25.Hemisphere Drexel bottle 20 tops are connected with the thin neck glass tube 19 of S shape, and the thin neck glass tube 19 of S shape links to each other with inclined hole three-way cock 29 by thin neck glass tube 18.Outside the eudiometer tube 31 water-bath chuck 30 is arranged, recirculated water interface 24 is arranged on the water-bath chuck 30.Eudiometer tube 31 bottoms link to each other with leveling bottle 32 by silicone tube 33.Discharge opeing (gas) mouthfuls 40, discharge opeing (gas) mouthfuls 41, reactor leakage fluid dram 17, hemisphere Drexel bottle leakage fluid dram 26 are connected with the eudiometer tube leakage fluid dram all and are led to adapter 34 by silicone tube (on leakage fluid dram 17,26 the silicone tube with tongs) and six and be connected, and are connected on the retracting device IV by silicone tube 35 again.
Add glacial acetic acid 20ml from charge pipe 3 first during test sample, then add the about 20ml of sodium nitrite in aqueous solution of massfraction 40%, close charge pipe 3, add the deionized water fluid-tight, with a small amount of deionized water gas in the charge pipe 14 bottom tubules is caught up with into reactor 11, closed charge pipe 14.Turn three-way cock 9 communicates reactor 11 and three-way cock 10.Open magnetic agitation 7, reactor 11 internal reactions generate NO gas, keep 5min, emptying reactor 11 interior air.Open magnetic agitation 27, turn three-way cock 10 makes the reaction unit I communicate with the air-washer II.In charge pipe 14, add testing protein solution, slowly open charge pipe 14 cocks, make the slow inflow reactor 11 of liquid to be measured, and with a small amount of deionized water rinsing charge pipe 14, with the n-octyl alcohol fluid-tight.Closed charge pipe 14 during reinforced the end.Reactor 11 begins timing from adding liquid to be measured, and reaction 40～60min stops reaction.Open charge pipe 3 cocks, so that liquid enters reactor 11 in the charge pipe 3, gas in the reactor 11 is caught up with fully into hemisphere Drexel bottle 20.Turn three-way cock 10 makes reactor 11 communicate with waste liquid bottle 36, does not communicate with hemisphere Drexel bottle 20.Open the leakage fluid dram 17 emptying reactant liquors of reactor 11.Increase the stirring rate of hemisphere Drexel bottle 20 interior magnetons 21, keep 5min.The stop magnetic agitation 27 of hemisphere Drexel bottle 20 leaves standstill 5min, the inclined hole three-way cock 29 on turn eudiometer tube 31 tops, hemisphere Drexel bottle 20 interior gases are caught up with into eudiometer tube 31, when gas washing liquid flow to inclined hole three-way cock 29 place, turn inclined hole three-way cock 29 was so that eudiometer tube each side is not connected.Then leave standstill 5min, improve leveling bottle 32, make leveling bottle 32 interior liquid levels and eudiometer tube 31 interior liquid surface level, read eudiometer tube 31 scales, record gas volume V, record air pressure this moment and eudiometer tube circulator bath temperature are used for calculating primary amino radical content simultaneously.
Claims (8)
1. novel primary amino radical quantitative instrument, formed by reaction unit (I), air-washer (II), amount device of air (III), retracting device (IV), it is characterized in that, reaction unit (I), air-washer (II), amount device of air (III), retracting device (IV) connect successively, and exhausr port and the leakage fluid dram of reaction unit (I), air-washer (II), amount device of air (III) all are connected on the retracting device (IV).
2. primary amino radical quantitative instrument as claimed in claim 1 is characterized in that, described reaction unit (I) comprises reactor (11), charge pipe (3) and connecting pipe (8); Connecting pipe (8) is with three-way cock (9), and three-way cock (9) is positioned at connecting pipe (8) intersection.
3. primary amino radical quantitative instrument as claimed in claim 2 is characterized in that, described reactor (11) top is reactor ground (2), and the bottom is for omiting concave bottom, with water-bath chuck (13); Thin neck feed pipe (5), (15) and a downward leakage fluid dram (17) upwards arranged at reactor (11) bottom; One end of thin neck feed pipe (5), (15) connects charge pipe (3), (14), and the other end passes water-bath chuck (13) and connects with reactor wall (12); Leakage fluid dram (17) passes water-bath chuck (13) and is communicated with reactor wall (12).
4. primary amino radical quantitative instrument as claimed in claim 2 is characterized in that, connecting pipe (8) is upper with two three-way cocks (9), (10); Three-way cock (9) is connected with reactor ground (2) by the connecting pipe ground (1) of thin neck glass tube one end, and the other end of three-way cock (9) is connected with three-way cock (10) by thin neck glass tube; Three-way cock (10) joins by thin neck glass tube and three-way cock (9), and the other end of three-way cock (10) joins by thin neck glass tube and hemisphere Drexel bottle (20).
5. primary amino radical quantitative instrument as claimed in claim 1 is characterized in that, air-washer (II) is positioned between reaction unit (I) and the amount device of air (III); Air-washer (II) comprises hemisphere Drexel bottle (20) and surge flask (23); Hemisphere Drexel bottle (20) is connected with inclined hole three-way cock (29) through thin neck glass tube (18); Hemisphere Drexel bottle (20) volume is 150～200ml, and surge flask (23) volume is 100～150ml.
6. primary amino radical quantitative instrument as claimed in claim 5 is characterized in that, hemisphere Drexel bottle (20) directly links to each other with reactor (11) by connecting pipe (8); There is thin neck glass tube (16) at hemisphere Drexel bottle middle part, and the thin neck glass tube of S shape (19) is arranged at the top, and hemisphere Drexel bottle (20) is flat, includes magneton (21), joins magnetic agitation (27).
7. primary amino radical quantitative instrument as claimed in claim 1 is characterized in that, described eudiometer tube (31) top is with inclined hole three-way cock (29); Inclined hole three-way cock (29) top communicates with hemisphere Drexel bottle (20) by thin neck glass tube, and other has the leakage fluid dram (22) of logical retracting device; Eudiometer tube (31) is outer water-bath chuck (30), on the water-bath chuck with recirculated water interface (24).
8. primary amino radical quantitative instrument as claimed in claim 1 is characterized in that, discharge opeing (gas) mouth of reaction unit (I), air-washer (II), amount device of air (III) all connects retracting device (IV); Retracting device (IV) comprises six and leads to adapter (34), waste liquid bottle (36) and gas outlet (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220241965 CN202869916U (en) | 2012-05-28 | 2012-05-28 | Primaquine-base quantometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220241965 CN202869916U (en) | 2012-05-28 | 2012-05-28 | Primaquine-base quantometer |
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| CN202869916U true CN202869916U (en) | 2013-04-10 |
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| CN 201220241965 Expired - Lifetime CN202869916U (en) | 2012-05-28 | 2012-05-28 | Primaquine-base quantometer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512828A (en) * | 2013-10-16 | 2014-01-15 | 山东轻工业学院 | Method for accurately measuring content of primary amine group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512828A (en) * | 2013-10-16 | 2014-01-15 | 山东轻工业学院 | Method for accurately measuring content of primary amine group |
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Address after: 250353 Ji'nan University, Changqing, Shandong Road, No. 3501 Patentee after: Qilu University of Technology Address before: 250353 Science Park, West New Town University, Ji'nan, Shandong Province, Shandong Light Industries College Patentee before: Shandong Institute of Light Industry |
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Granted publication date: 20130410 |
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| CX01 | Expiry of patent term |