CN109916699A - A kind of detection method of purifying phosphoric acid coloration - Google Patents
A kind of detection method of purifying phosphoric acid coloration Download PDFInfo
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- CN109916699A CN109916699A CN201910248735.9A CN201910248735A CN109916699A CN 109916699 A CN109916699 A CN 109916699A CN 201910248735 A CN201910248735 A CN 201910248735A CN 109916699 A CN109916699 A CN 109916699A
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- phosphoric acid
- purifying phosphoric
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Abstract
The present invention discloses a kind of detection method of purifying phosphoric acid coloration, comprising: the preparation of light standard stock solution: purifying phosphoric acid corresponding color pigment being diluted, light standard stock solution is obtained；The purifying phosphoric acid corresponding color pigment is prepared to obtain by organic pigment, the organic pigment selected from roselle, safflower yellow, caramel, amaranth, famille rose, erythrosine, newly red, rose-red, lemon yellow, sunset yellow, brilliant blue and it is indigo in any one or more preparation obtain；The preparation of dilute standard solution: dilute standard solution is prepared using light standard stock solution；Purifying phosphoric acid colorimetric detection: purifying phosphoric acid is injected in colorimetric cylinder, under white background, along colorimetric tube axis direction ocular estimate compared with dilute standard solution of same volume, detect the coloration of purifying phosphoric acid, and propose the quality judging foundation of product colour are as follows: purifying phosphoric acid color detection value≤20 color units, it is determined as that qualification, the detection method can accurately detect the purifying phosphoric acid coloration of different colours.
Description
Technical field
The present invention relates to detection technique fields, and in particular to a kind of detection method of purifying phosphoric acid coloration.
Background technique
The detection of water quality and phosphoric acid coloration is usually using national standard method.National standard method has a problem in that 1. this method masters
It is directed to yellow, single, other colors can not measure and determine.2. configuring potassium chloroplatinate and cobalt chloride medicine that coloration needs
Product, the drug is more expensive, and utilization rate is lower；3. configuring the potassium chloroplatinate that color standard sequence needs has dirt to water body
Dye, and there is harm to the health of experimenter to the irritating effect of the respiratory tract of human body in the dust of cobalt chloride.
Summary of the invention
In view of this, the application provides a kind of detection method of purifying phosphoric acid coloration, the net of different colours can be accurately detected
Change phosphoric acid coloration, quick reduction testing cost easy to detect, and can be reduced the harm of the pollution to environment and the health of experimenter.
The above technical problem is solved, technical solution provided by the invention is a kind of detection method of purifying phosphoric acid coloration, packet
It includes:
The preparation of light standard stock solution: purifying phosphoric acid corresponding color pigment is diluted, and it is molten to obtain light standard reserve
Liquid；The purifying phosphoric acid corresponding color pigment is prepared to obtain by organic pigment, the organic pigment be selected from roselle, safflower yellow,
Caramel, amaranth, famille rose, erythrosine, newly red, rose-red, lemon yellow, sunset yellow, brilliant blue and it is indigo in any one or
A variety of preparations obtain；
The preparation of dilute standard solution: dilute standard solution is prepared using light standard stock solution；
Purifying phosphoric acid color detection: purifying phosphoric acid is injected in colorimetric cylinder, under white background, along colorimetric cylinder axis side
Compared with dilute standard solution of same volume, the coloration of purifying phosphoric acid is detected to ocular estimate.
Preferably, described to dilute purifying phosphoric acid corresponding color pigment, obtain light standard stock solution process specifically:
Purifying phosphoric acid corresponding color pigment 0.1000g is taken, 1000mL is diluted with water to, obtains light standard stock solution.
Preferably, the preparation of dilute standard solution specifically: the light standard of 100 color units of V volume is taken to store
Solution is diluted with water to 50ml to get dilute standard solution of required N color unit；Color unit is every liter and purifies phosphorus containing 1mg
There are the colorations of solution for sour corresponding color pigment；
V is calculated as follows to obtain:
V=N × 50/100
In formula, V is the volume of required 100 color unit solution when preparing dilute standard solution of N dilution standard units,
ml；
N is the color unit of the dilute standard solution to be prepared.
Preferably, the preparation of dilute standard solution specifically: take 0.00mL, 5.00mL, 10.00mL, 15.00mL,
The light standard stock solution of the 100 color units of 20.00mL, 30.00m is diluted with water to 50ml to get 0 color unit, 10
Dilute standard solution of color unit, 20 color units, 30 color units, 40 color units, 60 color units.
Preferably, the roselle, safflower yellow, caramel, amaranth, famille rose, erythrosine, newly red, rose-red, lemon
Huang, sunset yellow, brilliant blue and indigo pigment content are 100%.
Preferably, the purifying phosphoric acid is the purifying phosphoric acid of 75~90wt% as made from Wet Processes of Phosphoric Acid.
Preferably, the purifying phosphoric acid is the purifying phosphoric acid of the 85wt% as made from Wet Processes of Phosphoric Acid.
Preferably, the Wet Processes of Phosphoric Acid includes pretreatment, purification, subtractive process.
Preferably, the organic pigment be selected from roselle, safflower yellow, caramel, amaranth, famille rose, erythrosine, newly red,
Rose-red, lemon yellow, sunset yellow, brilliant blue and it is indigo in any one or a few mixing.
Preferably, the detection method further include: judge the quality of purifying phosphoric acid；Judge the judgement of the quality of purifying phosphoric acid
Foundation are as follows: the coloration≤20 color units for detecting purifying phosphoric acid are determined as qualification.
Compared with prior art, detailed description are as follows by the application:
Purifying phosphoric acid method for detecting color of the present invention can be directed to the purifying phosphoric acid of different colours, can be stablized using organic pigment
The light standard stock solution for making corresponding color, specifically quantifies different purifying phosphoric acid colorations.Relative to GB/T605-2006
Detection, only yellow light coloured solution can detect, and the non-detectable situation defect of remaining color, the present invention can accurately detect different face
The purifying phosphoric acid coloration of color.
The present invention makes light standard stock solution using organic pigment, prepares simplicity, easy to detect quick；Reduce examination
Agent cost, to reduce testing cost；Organic pigment uses safe, danger of the reduction to the pollution of environment and the health of experimenter
Evil.
Specific embodiment
It is right combined with specific embodiments below in order to make those skilled in the art more fully understand technical solution of the present invention
The present invention is described in further detail.
Embodiment 1
A kind of detection method of purifying phosphoric acid coloration, comprising:
The preparation of light standard stock solution:
Purifying phosphoric acid corresponding color pigment 0.1000g is taken, 1000mL is diluted with water to, obtains light standard stock solution；
The purifying phosphoric acid corresponding color pigment is prepared to obtain by organic pigment, and the organic pigment is selected from roselle, safflower yellow, coke
Sugar, amaranth, famille rose, erythrosine, newly red, rose-red, lemon yellow, sunset yellow, brilliant blue and it is indigo in any one or it is more
Kind is prepared and is obtained；
The preparation of dilute standard solution:
Take the light standard of the 100 color units of 0.00mL, 5.00mL, 10.00mL, 15.00mL, 20.00mL, 30.00m
Stock solution is diluted with water to 50ml to get 0 color unit, 10 color units, 20 color units, 30 color units, 40 colors
Dilute standard solution of unit, 60 color units.The light standard stock solution of 100 color units of V volume (being shown in Table 1) is taken, is used
Water is diluted to 50ml to get dilute standard solution of required N color unit (being shown in Table 1)；Color unit is every liter and purifies phosphorus containing 1mg
There are the colorations of solution for sour corresponding color pigment；
V is calculated as follows to obtain:
V=N × 50/100
In formula, V is the volume of required 100 color unit solution when preparing dilute standard solution of N dilution standard units,
ml；
N is the color unit of the dilute standard solution to be prepared；
Purifying phosphoric acid color detection:
The purifying phosphoric acid colorimetric detection process specifically: inject purifying phosphoric acid sample to be measured in colorimetric cylinder, in white
Under background, along colorimetric tube axis direction ocular estimate compared with dilute standard solution of the same volume of regulation color unit, detection
The coloration of purifying phosphoric acid out；
Wherein, the purifying phosphoric acid is the purifying phosphoric acid of 75~90wt% as made from Wet Processes of Phosphoric Acid, preferably
The purifying phosphoric acid of 85wt%；The Wet Processes of Phosphoric Acid includes pretreatment, purification, subtractive process；
The detection method further include: judge the quality of purifying phosphoric acid；Judge the judgment basis of the quality of purifying phosphoric acid are as follows:
Coloration≤20 color the units for detecting purifying phosphoric acid, are determined as qualification；
The roselle, safflower yellow, caramel, amaranth, famille rose, erythrosine, newly red, rose-red, lemon yellow, sunset
Yellow, brilliant blue and indigo pigment content are 100%, and are commercially available organic pigment.
Table 1
| V(mL) | N color unit |
| 0.00 | 0 |
| 5.00 | 10 |
| 10.00 | 20 |
| 15.00 | 30 |
| 20.00 | 40 |
| 30.00 | 60 |
For the purifying phosphoric acid of different colours, the light standard stock solution of corresponding color is made using organic pigment,
Specific embodiment is shown in Table 2
Table 2
The above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
Limitation of the invention, protection scope of the present invention should be defined by the scope defined by the claims..For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
It also should be regarded as protection scope of the present invention into retouching.
Claims (10)
1. a kind of detection method of purifying phosphoric acid coloration characterized by comprising
The preparation of light standard stock solution: purifying phosphoric acid corresponding color pigment is diluted, light standard stock solution is obtained；Institute
Purifying phosphoric acid corresponding color pigment is stated to prepare to obtain by organic pigment, the organic pigment be selected from roselle, safflower yellow, caramel,
Amaranth, famille rose, erythrosine, newly red, rose-red, lemon yellow, sunset yellow, brilliant blue and it is indigo in any one or more match
It is made；
The preparation of dilute standard solution: dilute standard solution is prepared using light standard stock solution；
Purifying phosphoric acid colorimetric detection: purifying phosphoric acid is injected in colorimetric cylinder, under white background, is used along colorimetric tube axis direction
Ocular estimate detects the coloration of purifying phosphoric acid compared with dilute standard solution of same volume.
2. detection method according to claim 1, which is characterized in that it is described to dilute purifying phosphoric acid corresponding color pigment,
Obtain light standard stock solution process specifically: take purifying phosphoric acid corresponding color pigment 0.1000g, be diluted with water to
1000mL obtains the light standard stock solution of 100 color units.
3. detection method according to claim 1, which is characterized in that the preparation of dilute standard solution specifically: take V body
The light standard stock solution of 100 long-pending color units, the dilute standard for being diluted with water to 50ml to get required N color unit are molten
Liquid；Color unit is every liter, and containing 1mg purifying phosphoric acid corresponding color pigment, there are the colorations of solution；
V is calculated as follows to obtain:
V=N × 50/100
In formula, V is the volume of required 100 color unit solution when preparing dilute standard solution of N dilution standard units, ml；
N is the color unit of the dilute standard solution to be prepared.
4. detection method according to claim 3, which is characterized in that the preparation of dilute standard solution specifically: take
The light standard stock solution of the 100 color units of 0.00mL, 5.00mL, 10.00mL, 15.00mL, 20.00mL, 30.00m,
50ml is diluted with water to get 0 color unit, 10 color units, 20 color units, 30 color units, 40 color units, 60 face
Dilute standard solution of color unit.
5. detection method according to claim 1, which is characterized in that the roselle, safflower yellow, caramel, amaranth, rouge
Rouge is red, erythrosine, newly red, rose-red, lemon yellow, sunset yellow, brilliant blue and indigo pigment content are 100%.
6. detection method according to claim 1, which is characterized in that the purifying phosphoric acid is to pass through Wet Processes of Phosphoric Acid system
The purifying phosphoric acid of the 75~90wt% obtained.
7. detection method according to claim 6, which is characterized in that the purifying phosphoric acid is to pass through Wet Processes of Phosphoric Acid system
The purifying phosphoric acid of the 85wt% obtained.
8. detection method according to claim 6, which is characterized in that the Wet Processes of Phosphoric Acid include pretreatment, purification,
Subtractive process.
9. detection method according to claim 1, which is characterized in that the organic pigment is selected from roselle, safflower yellow, coke
Sugar, amaranth, famille rose, erythrosine, newly red, rose-red, lemon yellow, sunset yellow, brilliant blue and it is indigo in any one.
10. detection method according to claim 1, which is characterized in that the detection method further include: judge purifying phosphoric acid
Quality；Judge the judgment basis of the quality of purifying phosphoric acid are as follows: the coloration≤20 color units for detecting purifying phosphoric acid are determined as
It is qualified.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156102A (en) * | 2011-03-01 | 2011-08-17 | 中国计量学院 | Water quality chroma detection method based on spectrum absorption |
| CN103163098A (en) * | 2013-02-01 | 2013-06-19 | 泸州品创科技有限公司 | Pit mud chromaticity measuring method |
| CN104310328A (en) * | 2014-10-09 | 2015-01-28 | 瓮福（集团）有限责任公司 | Method for primary purification of phosphoric acid by using wet process |
| CN105510246A (en) * | 2015-11-26 | 2016-04-20 | 佛山市海天(高明)调味食品有限公司 | Method for judging soy sauce color grade through pigment standard colorimetric card |
-
2019
- 2019-03-29 CN CN201910248735.9A patent/CN109916699A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156102A (en) * | 2011-03-01 | 2011-08-17 | 中国计量学院 | Water quality chroma detection method based on spectrum absorption |
| CN103163098A (en) * | 2013-02-01 | 2013-06-19 | 泸州品创科技有限公司 | Pit mud chromaticity measuring method |
| CN104310328A (en) * | 2014-10-09 | 2015-01-28 | 瓮福（集团）有限责任公司 | Method for primary purification of phosphoric acid by using wet process |
| CN105510246A (en) * | 2015-11-26 | 2016-04-20 | 佛山市海天(高明)调味食品有限公司 | Method for judging soy sauce color grade through pigment standard colorimetric card |
Non-Patent Citations (1)
| Title |
|---|
| 中华人民共和国国家质量监督检验检疫总局 等: "《中华人民共和国国家标准》", 31 March 2007, 中国标准出版社 * |
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