CN105675367A - Sample preprocessing system - Google Patents
Sample preprocessing system Download PDFInfo
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- CN105675367A CN105675367A CN201610150031.4A CN201610150031A CN105675367A CN 105675367 A CN105675367 A CN 105675367A CN 201610150031 A CN201610150031 A CN 201610150031A CN 105675367 A CN105675367 A CN 105675367A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/4044—Concentrating samples by chemical techniques; Digestion; Chemical decomposition
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Physics & Mathematics (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a sample preprocessing system which comprises a host, a solvent adding module and a sample feed module. The host is provided with a heating module for fixing sample test tubes. The solvent adding module is used for adding agent into the sample test tubes. The sample feed module is used for adjusting the position of the solvent adding module. The sample feed module comprises two X-axis supporting arms, an X-axis frame, an X-axis inner slide block, an X-axis outer slide block, a first drive assembly, two Y-axis slide rails and a second drive assembly. The two Y-axis slide rails are arranged on the two sides of the host. The two X-axis supporting arms are arranged on the Y-axis slide rails in a sliding mode respectively. The second drive assembly can drive the two X-axis supporting arms to slide along the Y-axis slide rails. The two ends of the X-axis frame are fixed to the two X-axis supporting arms respectively. The X-axis inner slide block is arranged in a slide groove in the X-axis frame in a sliding mode. By means of the sample preprocessing system, a transmission system in the system can be completely isolated from the outside world, and therefore corrosion is avoided, the failure rate is decreased, and meanwhile the constant-volume precision and accuracy are ensured.
Description
Technical field
The present invention relates to experimental apparatus technical field, particularly to a kind of sample pre-treatments system.
Background technology
Clear up and cry wet digesting, being by acid solution or alkali liquor the method for destroying the Organic substance in sample or reducing substances in a heated condition. Existing digestion procedure is generally three kinds: heating board digestion, micro-wave digestion and graphite are cleared up; Wherein heating board digestion is the digestion procedure being entirely accomplished manually; Micro-wave digestion needs quantitative solvent and sample to be put in closed digestion tank in advance simultaneously, places into microwave dissolver and clears up; Graphite is cleared up and is divided into manual and full-automatic two kinds, manual graphite resolution principle is identical with heating board digestion, full-automatic graphite is cleared up and with controlling multiple variablees such as heating-up temperature, time, interpolation solvent species and volume according to the experimental technique set, can be cleared up thus being automatically performed.
Existing full-automatic graphite clear up instrument (or sample pre-treatments system) usually by module integrated to heating system, solvent add-on system, jacking system, concussion system etc. together. The strong acid and strong base etc. that is used owing to clearing up experiment corrodes solvent, instrument itself can be caused corrosion, and existing solution cannot be accomplished totally-enclosed due to drive system, causes corrosive gas to penetrate into, very easily causes the not corrosion-resistant component damage of instrument internal.
Sample pre-treatments system of the prior art cannot be accomplished totally-enclosed due to drive system, causes corrosive gas to penetrate into, and very easily causes the not corrosion-resistant component damage of instrument internal. Simultaneously, wherein Y-axis one end is fixed on X-axis respective slide, the other end is unsettled, after long-time use, due to corrosion and abrasion, Y-axis horizontal direction unbalance (namely free end sinks) can be caused, owing to the solvent add-on system acted on Y-axis needs ultrasonic sensor to add the volume of solvent according to vertically opposite distance constant volume, so above-mentioned unbalance meeting causes constant volume precise decreasing.
Summary of the invention
A kind of sample pre-treatments system that the application provides, solve or part solves the actuating device of sample pre-treatments system in prior art and cannot accomplish to fully seal in mechanical arm stroke range, internal system still can be corroded, simultaneously, due to corrosion and abrasion, Y-axis horizontal direction unbalance (namely free end sinks) can be caused, cause the technical problem of constant volume precise decreasing, the drive system achieving internal system is completely isolated with the external world, thus avoiding being corroded, reduce fault rate, ensure the technique effect of constant volume precision accuracy simultaneously.
This application provides a kind of sample pre-treatments system, including:
Main frame, is provided with the heating module of fixing sample tube;
Solvent adds module, is used for adding reagent to described sample tube;
Sample introduction module, is used for regulating described solvent and adds module position; Described sample introduction module includes: two X-axis support arms, X-axis framework, X-axis inner slide, X-axis outer slide, the first driving assembly, two Y-axis slide rails and second drive assembly;
Two described Y-axis slide rails are arranged on described main frame both sides;
Two described X-axis support arms are slidably arranged on described Y-axis slide rail respectively, and described second drives assembly that two described X-axis support arms can be driven along described Y-axis slide rail sliding;
X-axis framework, two ends are separately fixed on two described X-axis support arms; The chute of closing is set in described X-axis framework;
X-axis inner slide, is slidably arranged in the chute of described X-axis lower portion; Described X-axis inner slide is fixed with the first magnetic part; Described first drives assembly can drive described X-axis inner slide sliding in described chute;
X-axis outer slide, is movably arranged on outside described X-axis framework; Described X-axis outer slide is fixed with the second magnetic part; Described X-axis inner slide is connected fixing with described X-axis outer slide by magnetic force; Described X-axis outer slide is fixing with described solvent interpolation module to be connected.
As preferably, described X-axis framework is aluminum alloy square tube;
Described X-axis inner slide is arranged in the endoporus of described aluminum alloy square tube;
Described first magnetic part and described second magnetic part are high-strength Magnet, and the magnetic force energy between described first magnetic part and described second magnetic part drives described X-axis outer slide to follow described X-axis inner slide sliding.
As preferably, described first drives assembly to include:
First motor, is fixed on inside described X-axis support arm;
Two the first synchronous pulleys, are separately positioned on described X-axis framework two ends, and one of them described first synchronous pulley is fixing with the output shaft of described first motor to be connected;
First Timing Belt, is arranged in the chute in described X-axis framework, and is set on described first synchronous pulley;
Wherein, described X-axis inner slide is fixed on described first Timing Belt, follows described first Timing Belt and does straight reciprocating motion in described chute.
As preferably, described second drives assembly to include:
Second motor, is fixed on inside described Y-axis slide rail;
Two the second synchronous pulleys, are provided respectively therein the two ends of a described Y-axis slide rail, and one of them described second synchronous pulley is fixing with the output shaft of described second motor to be connected;
Second Timing Belt, is set on two described second synchronous pulleys;
Wherein, described X-axis support arm is fixed on described second Timing Belt, follows described second Timing Belt and does straight reciprocating motion along described Y-axis slide rail.
As preferably, described heating module is the graphite block being provided with accommodating hole, and described sample tube is placed in described accommodating hole; Silica gel heating film is attached bottom described graphite block, overall as, in aluminium casing, attaching quartz heat-preservation cotton outside described aluminium casing after parcel quartz heat-preservation cotton;
Described main frame also includes concussion module;
Described concussion module includes: DC speed-reducing, eccentric shaft and concussion plate; The outfan of described DC speed-reducing is fixing with described eccentric shaft to be connected; Described concussion plate is fixing with described eccentric shaft and described heating module to be connected.
As preferably, described main frame also includes lifting module; Described lifting module includes: hoistable platform, elevating mechanism and test tube rack;
Described hoistable platform is rectangular frame structure, is set in outside described heating module; Described hoistable platform is connected with described elevating mechanism;
Described elevating mechanism is screw mandrel step motor drive intersection scissors-type lifting;
The bottom leg of described test tube rack is arranged on described hoistable platform, and described sample tube is placed on described test tube rack;
Wherein, described elevating mechanism drives described hoistable platform to rise or fall, and drives described test tube rack to rise or fall, and makes described sample tube depart from or enters the accommodating hole of described heating module.
As preferably, described sample pre-treatments system also includes: circuit control module; Described circuit control module includes:
Main control board, is arranged on the host; Described main control board drives assembly and described second to drive the drive circuit of assembly to be connected with described first, can control the on-off of described drive circuit;
Temperature-controlled member, arranges on the host, is connected with the heater circuit of described heating module, can regulate the design temperature of described heating module and show the Current Temperatures of described heating module.
As preferably, described solvent adds module and includes:
Reagent reservoir part, fixes with described X-axis outer slide and is connected;
First liquid-feeding tube, is connected with described reagent reservoir part;
Peristaltic pump, is arranged on described first liquid-feeding tube;
Second liquid-feeding tube, is connected with described reagent reservoir part;
Syringe pump, is arranged on described second liquid-feeding tube;
Ultrasonic sensor, for the constant volume of described interpolation reagent.
One or more technical schemes provided herein, at least have the following technical effect that or advantage:
Owing to have employed, X-axis inner slide is slidably arranged in the chute in X-axis framework, X-axis outer slide is slidably arranged in the outside of X-axis framework, Component driver X-axis inner slide is driven to do straight reciprocating motion in chute, and then drive X-axis outer slide and solvent interpolation module to do straight reciprocating motion, realize solvent and add the movement of module X axis, meanwhile, by arranging Y-axis slide rail, assembly is driven to make X-axis support arm along Y-axis slide rail sliding by second, it is achieved solvent adds the movement of module Y-axis. So, efficiently solve the actuating device of sample pre-treatments system in prior art cannot accomplish to fully seal in mechanical arm stroke range, internal system still can be corroded, simultaneously as corrosion and abrasion, Y-axis horizontal direction unbalance (namely free end sinks) can be caused, cause the technical problem of constant volume precise decreasing, it is achieved that the drive system of internal system is completely isolated with the external world, thus avoiding being corroded, reduce fault rate, ensure the technique effect of constant volume precision accuracy simultaneously.
Accompanying drawing explanation
The structural front view of the sample pre-treatments system that Fig. 1 provides for the embodiment of the present invention;
The structure top view of the sample pre-treatments system that Fig. 2 provides for the embodiment of the present invention;
The structure left view of the sample pre-treatments system that Fig. 3 provides for the embodiment of the present invention;
Fig. 4 is the configuration diagram that in Fig. 1, solvent adds module.
(parts that in diagram, each label represents are followed successively by: 1 main frame, 2Y axle slide rail, 3X axle support arm, 4 circuit control modules, 5X axle outer slide, 6 syringe pumps, 7 peristaltic pumps, 8 temperature-controlled member)
Detailed description of the invention
A kind of sample pre-treatments system that the embodiment of the present application provides, solve or part solves the actuating device of sample pre-treatments system in prior art and cannot accomplish to fully seal in mechanical arm stroke range, internal system still can be corroded, simultaneously, due to corrosion and abrasion, Y-axis horizontal direction unbalance (namely free end sinks) can be caused, cause the technical problem of constant volume precise decreasing, by arranging two X-axis support arms, X-axis framework, X-axis inner slide, X-axis outer slide, first drives assembly, two Y-axis slide rails and second drive assembly, the drive system achieving internal system is completely isolated with the external world, thus avoiding being corroded, reduce fault rate, ensure the technique effect of constant volume precision accuracy simultaneously.
Referring to attached Fig. 1 and 2, this application provides a kind of sample pre-treatments system, including: main frame 1, solvent add module and sample introduction module. Main frame 1 is provided with the heating module of fixing sample tube; Solvent adds module and is used for adding reagent to sample tube; Sample introduction module is used for regulating solvent and adds module position.
Sample introduction module includes: two X-axis support arms 3, X-axis framework, X-axis inner slide, X-axis outer slide 5, first drive assembly, two Y-axis slide rails 2 and second to drive assembly.
Two Y-axis slide rails 2 are arranged on main frame 1 both sides; Two X-axis support arms 3 are slidably arranged on Y-axis slide rail 2 respectively, and second drives assembly that two X-axis support arms 3 can be driven along Y-axis slide rail 2 sliding. The two ends of X-axis framework are separately fixed on two X-axis support arms 3; The chute of closing is set in X-axis framework. X-axis inner slide is slidably arranged in the chute of X-axis lower portion; X-axis inner slide is fixed with the first magnetic part; First drives assembly can drive the sliding in chute of X-axis inner slide. X-axis outer slide 5 is movably arranged on outside X-axis framework; X-axis outer slide 5 is fixed with the second magnetic part; X-axis inner slide is connected fixing with X-axis outer slide 5 by magnetic force; X-axis outer slide 5 is fixing with solvent interpolation module to be connected.
Further, X-axis framework is aluminum alloy square tube; X-axis inner slide is arranged in the endoporus of aluminum alloy square tube. First magnetic part and the second magnetic part are high-strength Magnet, and the magnetic force energy between the first magnetic part and the second magnetic part drives X-axis outer slide 5 to follow X-axis inner slide sliding.
Wherein, this preprocessing system mode by being connected with high-strength Magnet between X-axis inner slide with X-axis outer slide 5, make the drive system that the first motor within this preprocessing system, the first synchronous pulley, the first Timing Belt form completely isolated with the external world, thus avoiding being corroded, reduce fault rate.
Further, first assembly is driven to include: the first motor, two the first synchronous pulleys and the first Timing Belt. It is internal that first motor is fixed on X-axis support arm 3. Two the first synchronous pulleys are separately positioned on X-axis framework two ends, and the output shaft of one of them first synchronous pulley and the first motor is fixing to be connected. First Timing Belt is arranged in the chute in X-axis framework, and is set on the first synchronous pulley.
Wherein, X-axis inner slide is fixed on the first Timing Belt, follows the first Timing Belt and does straight reciprocating motion in chute.
Further, second assembly is driven to include: the second motor, two the second synchronous pulleys and the second Timing Belt. It is internal that second motor is fixed on Y-axis slide rail 2. Two the second synchronous pulleys are provided respectively therein the two ends of a Y-axis slide rail 2, and the output shaft of one of them second synchronous pulley and the second motor is fixing to be connected. Second Timing Belt is set on two the second synchronous pulleys.
Wherein, X-axis support arm 3 is fixed on the second Timing Belt, follows the second Timing Belt and does straight reciprocating motion along Y-axis slide rail 2.
Further, referring to accompanying drawing 2, heating module is the graphite block being provided with accommodating hole, and sample tube is placed in accommodating hole; Silica gel heating film is attached bottom graphite block, overall as, in aluminium casing, attaching quartz heat-preservation cotton outside aluminium casing after parcel quartz heat-preservation cotton.
Main frame 1 also includes concussion module; Concussion module includes: DC speed-reducing, eccentric shaft and concussion plate. The outfan of DC speed-reducing is fixing with eccentric shaft to be connected; Concussion plate is fixing with the host panel of eccentric shaft and heating module to be connected.
Further, main frame 1 also includes lifting module; Lifting module includes: hoistable platform, elevating mechanism and test tube rack.
Hoistable platform is rectangular frame structure, is set in outside heating module; Hoistable platform is connected with elevating mechanism; Elevating mechanism is screw mandrel step motor drive intersection scissors-type lifting. The bottom leg of test tube rack is arranged on hoistable platform, and sample tube is placed on test tube rack.
Wherein, elevating mechanism drives hoistable platform to rise or fall, and drives test tube rack to rise or fall, and makes sample tube depart from or enters the accommodating hole of heating module.
Further, referring to accompanying drawing 3, sample pre-treatments system also includes: circuit control module 4; Circuit control module 4 includes: main control board and temperature-controlled member.
Main control board is arranged on main frame 1; Main control board and first drives assembly and second to drive the drive circuit of assembly to connect, and can control the on-off of drive circuit. Temperature-controlled member is arranged on main frame 1, is connected with the heater circuit of heating module, can regulate the design temperature of heating module and show the Current Temperatures of heating module.
Referring to accompanying drawing 1 and 4, further, solvent interpolation module includes: reagent reservoir part, the first liquid-feeding tube, peristaltic pump the 7, second liquid-feeding tube, syringe pump 6 and ultrasonic sensor. Reagent reservoir part is fixing with X-axis outer slide 5 to be connected; First liquid-feeding tube is connected with reagent reservoir part; Peristaltic pump 7 is arranged on the first liquid-feeding tube; Second liquid-feeding tube is connected with reagent reservoir part; Syringe pump 6 is arranged on the second liquid-feeding tube. Ultrasonic sensor is for adding the constant volume of reagent, and it adds the volume of reagent according to vertically opposite distance constant volume.
One or more technical schemes provided herein, at least have the following technical effect that or advantage:
Owing to have employed, X-axis inner slide is slidably arranged in the chute in X-axis framework, X-axis outer slide 5 is slidably arranged in the outside of X-axis framework, Component driver X-axis inner slide is driven to do straight reciprocating motion in chute, and then drive X-axis outer slide 5 and solvent interpolation module to do straight reciprocating motion, realize solvent and add the movement of module X axis, meanwhile, by arranging Y-axis slide rail 2, assembly is driven to make X-axis support arm 3 along Y-axis slide rail 2 sliding by second, it is achieved solvent adds the movement of module Y-axis. So, efficiently solve the actuating device of sample pre-treatments system in prior art cannot accomplish to fully seal in mechanical arm stroke range, internal system still can be corroded, simultaneously as corrosion and abrasion, Y-axis horizontal direction unbalance (namely free end sinks) can be caused, cause the technical problem of constant volume precise decreasing, it is achieved that the drive system of internal system is completely isolated with the external world, thus avoiding being corroded, reduce fault rate, ensure the technique effect of constant volume precision accuracy simultaneously.
Above-described detailed description of the invention; the purpose of the present invention, technical scheme and beneficial effect have been further described; it is it should be understood that; the foregoing is only the specific embodiment of the present invention; it is not limited to the present invention; all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (8)
1. a sample pre-treatments system, it is characterised in that described sample pre-treatments system includes:
Main frame, is provided with the heating module of fixing sample tube;
Solvent adds module, is used for adding reagent to described sample tube;
Sample introduction module, is used for regulating described solvent and adds module position; Described sample introduction module includes: two X-axis support arms, X-axis framework, X-axis inner slide, X-axis outer slide, the first driving assembly, two Y-axis slide rails and second drive assembly;
Two described Y-axis slide rails are arranged on described main frame both sides;
Two described X-axis support arms are slidably arranged on described Y-axis slide rail respectively, and described second drives assembly that two described X-axis support arms can be driven along described Y-axis slide rail sliding;
X-axis framework, two ends are separately fixed on two described X-axis support arms; The chute of closing is set in described X-axis framework;
X-axis inner slide, is slidably arranged in the chute of described X-axis lower portion; Described X-axis inner slide is fixed with the first magnetic part; Described first drives assembly can drive described X-axis inner slide sliding in described chute;
X-axis outer slide, is movably arranged on outside described X-axis framework; Described X-axis outer slide is fixed with the second magnetic part; Described X-axis inner slide is connected fixing with described X-axis outer slide by magnetic force; Described X-axis outer slide is fixing with described solvent interpolation module to be connected.
2. sample pre-treatments system as claimed in claim 1, it is characterised in that
Described X-axis framework is aluminum alloy square tube;
Described X-axis inner slide is arranged in the endoporus of described aluminum alloy square tube;
Described first magnetic part and described second magnetic part are high-strength Magnet, and the magnetic force energy between described first magnetic part and described second magnetic part drives described X-axis outer slide to follow described X-axis inner slide sliding.
3. sample pre-treatments system as claimed in claim 1, it is characterised in that described first drives assembly to include:
First motor, is fixed on inside described X-axis support arm;
Two the first synchronous pulleys, are separately positioned on described X-axis framework two ends, and one of them described first synchronous pulley is fixing with the output shaft of described first motor to be connected;
First Timing Belt, is arranged in the chute in described X-axis framework, and is set on described first synchronous pulley;
Wherein, described X-axis inner slide is fixed on described first Timing Belt, follows described first Timing Belt and does straight reciprocating motion in described chute.
4. sample pre-treatments system as claimed in claim 1, it is characterised in that described second drives assembly to include:
Second motor, is fixed on inside described Y-axis slide rail;
Two the second synchronous pulleys, are provided respectively therein the two ends of a described Y-axis slide rail, and one of them described second synchronous pulley is fixing with the output shaft of described second motor to be connected;
Second Timing Belt, is set on two described second synchronous pulleys;
Wherein, described X-axis support arm is fixed on described second Timing Belt, follows described second Timing Belt and does straight reciprocating motion along described Y-axis slide rail.
5. sample pre-treatments system as claimed in claim 1, it is characterised in that
Described heating module is the graphite block being provided with accommodating hole, and described sample tube is placed in described accommodating hole; Silica gel heating film is attached bottom described graphite block, overall as, in aluminium casing, attaching quartz heat-preservation cotton outside described aluminium casing after parcel quartz heat-preservation cotton;
Described main frame also includes concussion module;
Described concussion module includes: DC speed-reducing, eccentric shaft and concussion plate; The outfan of described DC speed-reducing is fixing with described eccentric shaft to be connected; Described concussion plate is fixing with described eccentric shaft and described heating module to be connected.
6. sample pre-treatments system as claimed in claim 5, it is characterised in that
Described main frame also includes lifting module; Described lifting module includes: hoistable platform, elevating mechanism and test tube rack;
Described hoistable platform is rectangular frame structure, is set in outside described heating module; Described hoistable platform is connected with described elevating mechanism;
Described elevating mechanism is screw mandrel step motor drive intersection scissors-type lifting;
The bottom leg of described test tube rack is arranged on described hoistable platform, and described sample tube is placed on described test tube rack;
Wherein, described elevating mechanism drives described hoistable platform to rise or fall, and drives described test tube rack to rise or fall, and makes described sample tube depart from or enters the accommodating hole of described heating module.
7. sample pre-treatments system as claimed in claim 1, it is characterised in that described sample pre-treatments system also includes: circuit control module; Described circuit control module includes:
Main control board, is arranged on the host; Described main control board drives assembly and described second to drive the drive circuit of assembly to be connected with described first, can control the on-off of described drive circuit;
Temperature-controlled member, arranges on the host, is connected with the heater circuit of described heating module, can regulate the design temperature of described heating module and show the Current Temperatures of described heating module.
8. sample pre-treatments system as claimed in claim 1, it is characterised in that described solvent adds module and includes:
Reagent reservoir part, fixes with described X-axis outer slide and is connected;
First liquid-feeding tube, is connected with described reagent reservoir part;
Peristaltic pump, is arranged on described first liquid-feeding tube;
Second liquid-feeding tube, is connected with described reagent reservoir part;
Syringe pump, is arranged on described second liquid-feeding tube;
Ultrasonic sensor, for the constant volume of described interpolation reagent.
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CN107389407A (en) * | 2017-08-16 | 2017-11-24 | 威海福瑞机器人有限公司 | Liquid preprocessing device and its control method |
CN107525711A (en) * | 2017-08-02 | 2017-12-29 | 广州格丹纳仪器有限公司 | A kind of full-automatic digestion device |
CN111250188A (en) * | 2020-03-17 | 2020-06-09 | 淄博海关综合技术服务中心 | Automatic dropwise add device of solvent |
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