CN104792654A - Determination method of turpentine oil density - Google Patents
Determination method of turpentine oil density Download PDFInfo
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- CN104792654A CN104792654A CN201510214373.3A CN201510214373A CN104792654A CN 104792654 A CN104792654 A CN 104792654A CN 201510214373 A CN201510214373 A CN 201510214373A CN 104792654 A CN104792654 A CN 104792654A
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Abstract
The invention discloses a method for determining turpentine oil density. The technical point is that the determination method sequentially comprises the following steps: conducting a power supply, respectively turning on DM45 and SC30, self-inspecting an instrument, preheating for about 30min, correcting with air, and then prompting the addition of a sample, adding proper amount of de-ionized water or secondary distilled water to a measurement groove and correcting; and then, adding at least 2mL of sample to a sample measuring bottle, respectively placing the sample bottle on an SC30 sample feeder, setting a measurement temperature and automatically measuring by virtue of the instrument for about 5min after the temperature is stable so as to obtain a result, and after measurement, automatically recovering the sample to an original sample bottle by virtue of the instrument; and after the measurement, automatically cleaning and drying the instrument. The invention belongs to the technical field of chemical detection.
Description
Technical field
The present invention relates to a kind of assay method of density, specifically, be a kind of assay method of terebinthina density, belong to technical field of chemical detection.
Background technology
Density is one of key property of material, and quality and the quality of density and product are closely related, and it is in the quality control of conversion quantity, acceptance of delivery and some oil product, and simply judges oil property plays an important role.China has abundant terebinthina resource, and it is mainly used in artificial camphor, spices, paint solvent, tackifier, plastic plasticizer, agricultural chemicals, medical product etc.At present, terebinthina density measures according to the regulation in GB/T 12902-200, GB/T 4472-2011, wherein specifies that fluid density adopts density bottle method, Westphal balance method and densimeter method.Now introduce the full-automatic densitometer method of DM45 and measure terebinthine density, this method is quick, few by sample amount, be accurate to radix point after the 5th, and can the density of METHOD FOR CONTINUOUS DETERMINATION different temperatures, there is larger measuring tempeature scope, heating and cooling speed faster and extremely short measuring period.
Summary of the invention
For the problems referred to above, the object of this invention is to provide the method that the full-automatic densitometer method of a kind of DM45 detects terebinthina density.
Technical scheme provided by the invention is such: a kind of assay method of terebinthina density, comprises the steps: successively
1) switch on power, open DM45 respectively, SC30, instrument carries out self-inspection, and general preheating 30min, first corrects with air, and prompting afterwards adds sample, adds appropriate deionized water or redistilled water in measuring flume, calibrates;
2) sample of at least 2mL is added in right rearward measurement sample bottle, be placed on by sample bottle respectively on SC30 sample feeding device, setting measurement temperature is after temperature stabilization, and instrument is automatically measured about 5min and gone out a result, after measurement completes, instrument can by sample the automatic recovery in raw sample bottle;
3) measure and terminate rear instrument and automatically to clean and dry.
Further, the detection method of above-mentioned terebinthina density, step 1) described in detected temperatures be 20 DEG C.
Compared with prior art, technical scheme tool provided by the invention has the following advantages:
This method adopts the full-automatic Density Measuring Instrument of DM45 to measure terebinthina density, and detection speed is fast, and detection method is simple, and result is accurate.
Embodiment
Mode below by embodiment further illustrates the present invention, but does not form any limitation of the invention, and the amendment of anyone limited number of time made in right of the present invention is still in right of the present invention.
Embodiment 1
1. experimental section
1.1 instruments and reagent
Full-automatic densitometer: plum Teller-Tuo benefit DM45; Automatic sampler: SC30; Absolute ethyl alcohol: analyze pure, cleans for measuring tube; Acetone: analyze pure, dry for measuring tube; Terebinthina: certain Lin Hua company; Sample bottle: some.
The 1.2 instrument scope of applications
It is 0.00 DEG C ~ 91.00 DEG C that this instrument is useful in test temperature, and density is 0.0000g/cm
3~ 3.0000g/cm
3the mensuration of density of liquid, instrument accuracy grade is ± 5 × 10
-5g/cm
3.
1.3 experiment condition
Environmental baseline is 5 DEG C ~ 35 DEG C, relative humidity≤80%.
1.4 measuring process
Switch on power, open DM45 respectively, SC30, instrument carries out self-inspection, and general preheating 30min, first corrects with air, and prompting afterwards adds testing sample, adds appropriate deionized water or redistilled water in measuring flume, calibrates.
Appropriate sample (at least 2mL) is added in right rearward measurement sample bottle, respectively sample bottle is placed on SC30 sample feeding device, setting measurement temperature is after temperature stabilization, instrument is automatically measured about 5min and is gone out a result, after measurement completes, instrument can by sample the automatic recovery in raw sample bottle.Measurement terminates rear instrument and automatically cleans and drying.
Claims (2)
1. an assay method for terebinthina density, is characterized in that, comprises the steps: successively
1) switch on power, open DM45 respectively, SC30, instrument carries out self-inspection, and general preheating 30min, first corrects with air, and prompting afterwards adds sample, adds appropriate deionized water or redistilled water in measuring flume, calibrates;
2) sample of at least 2mL is added in right rearward measurement sample bottle, be placed on by sample bottle respectively on SC30 sample feeding device, setting measurement temperature is after temperature stabilization, and instrument is automatically measured about 5min and gone out a result, after measurement completes, instrument can by sample the automatic recovery in raw sample bottle;
3) measure and terminate rear instrument and automatically to clean and dry.
2. the assay method of terebinthina density according to claim 1, is characterized in that, step 1) described in detected temperatures be 20 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214373.3A CN104792654A (en) | 2015-04-29 | 2015-04-29 | Determination method of turpentine oil density |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214373.3A CN104792654A (en) | 2015-04-29 | 2015-04-29 | Determination method of turpentine oil density |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104792654A true CN104792654A (en) | 2015-07-22 |
Family
ID=53557644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510214373.3A Pending CN104792654A (en) | 2015-04-29 | 2015-04-29 | Determination method of turpentine oil density |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104792654A (en) |
-
2015
- 2015-04-29 CN CN201510214373.3A patent/CN104792654A/en active Pending
Non-Patent Citations (2)
| Title |
|---|
| MRTTLER TOLEDO公司: "《密度计DM40/DM45 Delta Range/DM50 操作说明》", 11 November 2013 * |
| 赵振东 等: "《中华人民共和国国家标准 GB/T 12902-2006》", 1 December 2006 * |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150722 |
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| RJ01 | Rejection of invention patent application after publication |