CN104897868A - Six-in-one test paper for fast detecting quality of water in aquarium - Google Patents
Six-in-one test paper for fast detecting quality of water in aquarium Download PDFInfo
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Abstract
The invention relates to a six-in-one test paper for fast detecting the quality of water in an aquarium. The test paper has the advantages of being fast, sensitive, and convenient, can be used for detecting six items including nitrite, nitrate, total hardness, total chlorine, total alkali and pH value, and belongs to the field of water quality safety monitoring. The six-in-one test paper only comprises a paper base and a developing paper sheet, and is very simple in structure and operation. 3mm chromatography filter paper is used as a carrier, so that the test paper can be used for fast detecting the six items, including nitrite, nitrate, total hardness, total chlorine, total alkali and pH value, of the water in the aquarium, precise quantitative detection results can be obtained by visual observation, valuable instruments are not required to be used for displaying, and a user can master the six-in-one test paper without being subjected to special train; simultaneously the six-in-one test paper is low in price, low in production cost, disposable, free of overhaul and maintenance, relatively high in accuracy, and good in repeatability, and is very suitable for on-site real-time fast detection and monitoring.
Description
Technical field
The present invention relates to a kind of quick, sensitive, easily aquarium water quality detect fast 6 close 1 test paper, comprise nitrite, nitrate, total hardness, total chlorine, total alkali, pH value 6 indexs, belong to water quality safety monitoring field.
Background technology
Breed fish and first must support water, in the process of breeding aquatic animals biology, monitor whether aquarium water quality is stablized, health is very important in time.The living environment of the biology the best in aquarium is exactly the existence of these species of occurring in nature and the ecologic environment in procreation region, the habitat of how to build these species in aquarium is the subject matter that Shui nationality raiser pays close attention to, at present, aquatic-organism raiser generally with the water quality measurement data such as nitrite, nitrate, total hardness, total chlorine, total alkali, pH value for comparing according to the measurement data with cultivation species original producton location, adjust various numerical value in aquarium and cultivation species most possibly and to be closely even equal to multiply.
The indices of aquarium water quality is all closely bound up with the health of aquatic-organism:
(1) nitrite derives from the oxidation of nitrite bacteria for ammonia, and nitrogen dioxide is blood poison, and toxic reaction, for being that its function of carrying oxygen is lost in protoheme generation mutation, endangers aquatic-organism.In national standard, the content of nitrite of I class water quality should be less than 0.001mg/L, nitrate content should be less than 2.0mg/L.
(2) total hardness of water refers to the content of the polyvalent metal ion dissolved in water, wherein accounts for the overwhelming majority with the content of calcium, magnesium ion, therefore hardness have again CaH and magnesium hardness point, sum of the two is called total hardness.In the world with the carbonate (CaCO of calcium
3) content describes GH value, unit is: mg/L.In national standard, the total hardness of I class water quality should be less than 150mg/L.
(3) aquarium breeding water is most is tap water, and in tap water production run, sterilization adopts chloridising, and Main Function material is chlorine.In tap water, chlorine gas concentration too high exceeding can corrode fish body mucous membrane, and concentration can make most fish produce acute poisoning more than 0.2mg/L.Therefore must the strict chlorine controlled in aquarium.In country's I class water quality standard, chlorine content should lower than 0.1mg/L.
(4) basicity to refer in water the amount of the Weak Acid Ion such as contained bicarbonate radical, and salt maximum in original fresh water is carbonate, and it comprises supercarbonate and carbonate, because carbonate solubleness in water is low, and therefore mainly supercarbonate in water.It can in and water quality in increase or reduce free hydrogen ion, suppress hydrionic fluctuation, to maintain constant pH value, therefore the control of basicity is not indispensable in aquarium water quality management.Fish are in the water crossing high alkalinity, and body surface secretes a large amount of mucus, and the gill is hemorrhage, dead rapidly.
(5) pH value of water depends primarily on the ratio of carbon dioxide and the carbonate dissolved in water.In general, carbon dioxide content is more, and water is more partial to acidity; Otherwise, then alkalescence is partial to.Potential of hydrogen in water, most important to fish, freshwater mussel and other hydrobiological growths, but require and not quite identical.The maximum adaptation scope of general cultured fishes is pH value 6-9.5, is the suitableeest with 7.5-8.5; The maximum adaptation scope of bivalves is pH value 6.5-8.5, is the suitableeest with 7-8; .When pH value below 5 or more than 10 time, to fish, freshwater mussel growth all harmful, should not breeding water be made.
The traditional detection method of aquarium water quality is except pH value test has test paper, and other indexs are mostly supplied with liquid reagent form.Liquid reagent detects water quality, and to operate relative test paper more complicated, and cost is also relatively high, but compare water quality monitoring instrument and be convenient for carrying, and cost is low.Also there is the water quality monitoring instrument of some specialties on sale on the market, indices can be detected fast, but the high main restrictive condition becoming universal use of price.These classic methods or because of consuming time slightly long, or because of cost higher, be unsuitable for that Shui nationality raiser is universal to be used, therefore quick, the Sensitive Detection of aquarium water quality safety are gordian technique difficult problems in the urgent need to address.
Since 20 beginnings of the century, a great revolution is that paper is applied in analysis design mothod, and nineteen fifty-two Martin and Synge is because invention paper chromatography is awarded the Nobel Prize.Paper becomes a platform attracted people's attention very much, and there is unique performance, comprising: manufacturing cost and use cost is cheap, have biodegradability and biocompatibility, easily coating trace, porous fibrous structure, by means of capillary force without the need to other power, be generally the optimal platform that white can provide colourimetry and Fluorometric assay.At present, patent 200420070366.8 discloses the quick detection test paper of determining total hardness of water, patent CN203310759U discloses the quick detection test paper of chlorine in water, also have patent CN102928369A to disclose nitrite quick detection test paper, but without any a patent can for Shui nationality raiser provide economy efficiently method carry out omnibearing water quality detection.Therefore, must find a kind of highly sensitive, the response time is short, with short production cycle, stability strong, long shelf-life, have the technology of the very strong market competitiveness, is used for the water quality detected fast in aquarium.
Summary of the invention
The invention discloses 6 conjunction 1 test paper that a kind of aquarium water quality detects fast, can measure aquarium nitrite, nitrate, total hardness, total chlorine, total alkali, pH value quickly and easily, read testing result at 1-3min.
Composition of the present invention: comprise paper substrate and 6 colour developing scraps of paper two parts, the described colour developing scraps of paper are first fixedly connected with described substrate after the immersion of reactant liquor, oven dry, shearing.
Preparation process of the present invention:
(1) preparation of reactant liquor: preparation reactant liquor 1-6, wherein reactant liquor 1 is divided into reactant liquor 1A and reactant liquor 1B, the solvent of reactant liquor 1A is water, solute is 0.1-0.2g/L sodium chloride, the solvent of reactant liquor 1B is ethanol, and solute is 0.015-0.025g/L sulfanilamide (SN), 0.004-0.005g/L N-1 (Nai Ji) ethylendiamine dihydrochloride, 0.5-0.8g/L 5-sulphosalicylic acid and 0.5-1.0g/L polyvinylpyrrolidone; Reactant liquor 2 is divided into reactant liquor 2A and reactant liquor 2B, the solvent of reactant liquor 2A is water, solute is 0.1-0.2g/L sodium chloride, the solvent of reactant liquor 2B is ethanol, and solute is 0.015-0.025g/L sulfanilamide (SN), 0.004-0.005g/L N-1 (Nai Ji) ethylendiamine dihydrochloride, 0.5-0.8g/L 5-sulphosalicylic acid and 0.5-1.0g/L polyvinylpyrrolidone; The solvent of reactant liquor 3 is 80-120ml phosphate buffer (pH=10), and solute is 0.3-0.5% eriochrome black T, 0.1-0.2g polyvinylpyrrolidone, 0.05-0.10% alizarin; The solvent of reactant liquor 4 is 20% ethanolic solution of 80-120ml, and solute is that 0.2-0.4% bromine first powder is green, 0.1-0.2g polyvinylpyrrolidone; The solvent of reactant liquor 5 is the absolute ethyl alcohol of 80-120ml, and solute is 2-6g/L benzophenone sulfo-thing, 3-5g/L polyvinylpyrrolidone; The solvent of reactant liquor 6 is 30% ethanolic solution of 80-120ml, and solute is bromothymol blue 0.6-0.8g/L, bromothymol blue 0.3-0.5g/L, metanil yellow 0.2-0.3g/L, m-methyl red 0.15-0.25g/L, bromcresol green 0.05-0.08g/L, nitro-nitrogen yellow 0.12-0.22g/L, adjacent first phenol Fu phthalein 0.4-0.5g/L, phenolphthalein 0.03-0.05g/L, para-nitrophenylazosalicylate sodium 0.8-1.0g/L, titan yellow 0.4-0.6g/L, the orange red 0.02-0.08g/L of fluorescence.
(3) cutting of filter paper: the rectangle scraps of paper with paper-cutter, 3mm chromatography filter paper (hereinafter referred to as filter paper) being cut into 10cm × 15cm, is convenient to follow-up immersion liquid and oven dry;
(4) immersion of reactant liquor: the reactant liquor 1-6 configured is poured in special glass ware, clamps filter paper 1-6 with tweezers and in reactant liquor 1-6, soaks 10-20s respectively, hangs on dry boxboard with clip;
(5) oven dry of filter paper: for preventing the interference in air from making test paper reduce using function, the filter paper completing immersion liquid being put into vacuum drying chamber, reaches vacuum tightness 100-110Pa and dry.Wherein No. 1 scraps of paper are in advance through reactant liquor 1A, in temperature 90-100 DEG C, dry 20-30min under the environment of vacuum tightness 100-110Pa; In the immersion through reactant liquor 1B, in temperature 50-60 DEG C, dry 20-30min under the environment of vacuum tightness 100-110Pa.No. 2 scraps of paper in advance through reactant liquor 2A, in temperature 90-100 DEG C, dry 20-30min under the environment of vacuum tightness 100-110Pa; In the immersion through reactant liquor 2B, in temperature 50-60 DEG C, dry 20-30min under the environment of vacuum tightness 100-110Pa, then smear the zinc free-from arsenic powder of skim process at its surface uniform, dry up with cold wind.No. 3 scraps of paper in temperature 50-60 DEG C, dry 30-40min under the environment of vacuum tightness 100-110Pa.No. 4 scraps of paper in temperature 50-60 DEG C, dry 30-40min under the environment of vacuum tightness 100-110Pa.No. 5 scraps of paper in temperature 50-60 DEG C, dry 30-40min under the environment of vacuum tightness 100-110Pa.No. 6 scraps of paper in temperature 50-60 DEG C, dry 30-40min under the environment of vacuum tightness 100-110Pa.
(6) storage of the colour developing scraps of paper: dried filter paper 1-6 is colour developing No. 1-6, the scraps of paper, is cut into No. 1-6, the colour developing bar of 1cm × 15cm, often opens and can be cut to 10, be enclosed in valve bag, put into the exsiccator filling drying agent and retain to be checked;
(7) making of paper substrate: the rectangle scraps of paper with paper-cutter, PP synthetic paper being cut into 7cm × 15cm, is convenient to the bonding of follow-up paper substrate and colour-development sheet and the cutting of test strips.
(8) bonding of paper substrate and colour-development sheet: by the colour developing scraps of paper 1-6 of 1cm × 15cm cut, binds on the paper substrate of 7cm × 15cm with bonding agent, becomes test-paper;
(9) cutting of test strips: the test strips with paper cutter, the test-paper binded evenly being cut into 0.55cm × 7cm;
(10) storage of test strips: be sealed in storage in 4-20 DEG C of dry environment, must not direct sunlight be subject to.
The scope of application of the present invention: the nitrite of aquarium water quality, nitrate, total hardness, total chlorine, total alkali, pH value 6 indexs detect fast, belongs to water quality safety monitoring field.
Sensing range of the present invention: nitrite 0-250mg/L, nitrate 0-40mg/L, total hardness 0-425mg/L, total chlorine 0-100mg/L, total alkali 0-240mg/L, pH value 6.5-8.5.
Method of operating of the present invention: get appropriate water sample in the drying receptacle of cleaning, with the colour-development sheet region of submergence test paper for standard, takes out after submergence immediately, by colour-development sheet horizontal positioned upward, can quantitatively judge after 1-3min.
Result of the present invention judges: the color of test paper and standard color comparison card are compared and carry out preliminary judgement, and numerical value corresponding to the color range identical with colorimetric card color is the detected value of this sample, and namely the color as test paper gets both intermediate value between two color ranges.
Feature of the present invention: be only made up of paper substrate and colour developing scraps of paper two parts, structure is all very simple with operation; With 3mm chromatography filter paper for carrier, test paper is detected in 1-3min fast to 6 indexs such as the nitrite of aquarium water quality, nitrate, total hardness, total chlorine, total alkali, pH value; Rely on visual observation can draw accurately quantitatively test result, do not need with expensive instrument display, user does not need specialized training just can grasp; Low price simultaneously, production cost is low, and for single use and without the need to repair and maintenance, degree of accuracy is higher, and repeatability, the scene that is suitable for very much is detected real-time and monitors.
Accompanying drawing explanation
Fig. 1 is plan structure schematic diagram of the present invention;
Fig. 2 is side-looking structural representation of the present invention;
Fig. 3 is standard color comparison card of the present invention (mg/L), colorimetric corresponding sexadecimal color code.
Embodiment
Preparation embodiment
Embodiment 1: the Test paper of water quality nitrite
First prepare reactant liquor 1A and reactant liquor 1B, the solvent in reactant liquor 1A is water, and solute is sodium chloride 0.1g/L; In reactant liquor 1B.3mm chromatography filter paper is at the uniform velocity dipped in reactant liquor 1A, under the environment of vacuum tightness 100Pa, temperature 100 DEG C, dry 25 solvents is ethanol, solute is sulfanilamide (SN) 0.015g/L, N-1 (Nai Ji) ethylendiamine dihydrochloride 0.004g/L, 5-sulphosalicylic acid 0.5g/L and polyvinylpyrrolidone 0.5g/Lmin, then at the uniform velocity dipped in reactant liquor 1B, the environment in temperature 60 C, vacuum tightness 100Pa dries 20min.The test-paper handled well is sealed in the exsiccator put into and fill drying agent, must not direct sunlight be subject to.
Embodiment 2: the Test paper of water quality nitrate
First prepare reactant liquor 2A and reactant liquor 2B, the solvent in reactant liquor 2A is water, and solute is sodium chloride 0.1g/L; Solvent in reactant liquor 2B is ethanol, and solute is sulfanilamide (SN) 0.015g/L, N-1 (Nai Ji) ethylendiamine dihydrochloride 0.004g/L, 5-sulphosalicylic acid 0.5g/L and polyvinylpyrrolidone 0.5g/L.3mm chromatography filter paper is at the uniform velocity dipped in reactant liquor A, under the environment of vacuum tightness 100Pa, temperature 100 DEG C, dry 25min, then at the uniform velocity dipped in reactant liquor B, then at the zinc free-from arsenic powder of its uniform application skim process, dry up with cold wind.The test-paper handled well is sealed in the exsiccator put into and fill drying agent, must not direct sunlight be subject to.
Embodiment 3: the Test paper of determining total hardness of water
First prepare the eriochrome black T of 0.5% and the alizarin mixed solution of 0.05%, be settled to 100ml with the phosphate buffer of pH=10; Add 0.2g vinylpyrrolidone and obtain reactant liquor.3mm chromatography filter paper soaked in reactant liquor, soak time is 20s, under the environment of temperature 50 C, vacuum tightness 100-110Pa, dry 30min.The test-paper handled well is sealed in the exsiccator put into and fill drying agent, must not direct sunlight be subject to.
Embodiment 4: the Test paper of water quality total alkali
First configure the bromine first powder green solution of 0.2%, solvent is 20% ethanolic solution of 100ml; Add 0.2g vinylpyrrolidone and obtain reactant liquor.3mm chromatography filter paper soaked in reactant liquor, soak time is 20s, under the environment of temperature 60 C, vacuum tightness 100-110Pa, dry 30min.The test-paper handled well is sealed in the exsiccator put into and fill drying agent, must not direct sunlight be subject to.
Embodiment 5: the Test paper of water quality chlorine
First preparing solvent is absolute ethyl alcohol, and solute is 2g/L benzophenone sulfo-thing, 3g/L polyvinylpyrrolidone.3mm chromatography filter paper soaked in reactant liquor, soak time is 20s, under the environment of temperature 60 C, vacuum tightness 100-110Pa, dry 30min.The test-paper handled well is sealed in the exsiccator put into and fill drying agent, must not direct sunlight be subject to.
The Test paper of embodiment 6: water quality PH
First prepare the ethanol that solvent is 30%, solute is bromothymol blue 0.8g/L, bromothymol blue 0.5g/L, metanil yellow 0.3g/L, m-methyl red 0.25g/L, bromcresol green 0.05g/L, nitro-nitrogen yellow 0.12g/L, adjacent first phenol Fu phthalein 0.4g/L, phenolphthalein 0.03g/L, para-nitrophenylazosalicylate sodium 0.8g/L, titan yellow 0.4g/L, the orange red 0.02g/L of fluorescence.3mm chromatography filter paper soaked in reactant liquor, soak time is 20s, under the environment of temperature 50 C, vacuum tightness 100-110Pa, dry 30min.The test-paper handled well is sealed in the exsiccator put into and fill drying agent, must not direct sunlight be subject to.
Embodiment 7: the Test paper of aquarium water quality
With paper-cutter, PP synthetic paper is cut into the rectangle scraps of paper of 7cm × 15cm as substrate, colour developing No. 1-6, the scraps of paper is cut to the rectangular of 1cm × 15cm respectively and is affixed on substrate according to this, becomes test-paper; With paper cutter, the test-paper binded evenly is cut into the test strips of 0.55cm × 7cm, is sealed in storage in 4-20 DEG C of dry environment, direct sunlight (Fig. 1 and Fig. 2) must not be subject to.
Detect embodiment
Embodiment 8:
The aquarium water quality on sale to 3 birds and flowers market carries out sample detecting, get appropriate amount of sample respectively in the drying receptacle of cleaning, with submergence test-paper for standard, after 3min, the color of test paper and standard color comparison card are compared, numerical value corresponding to the color range identical with colorimetric card color is the detected value of this sample, and namely the color as test paper gets both intermediate value between two color ranges.Water sample content of nitrite in one of them aquarium is 100mg/L, and water hardness is 120mg/L, there is the factor being unfavorable for the growth of aquatic-organism.Other two aquarium water quality in order, are the desirable life conditions of aquatic-organism.
Embodiment 9:
The aquarium water quality of 3 aquatic-organisms being raised to fan's use carries out sample detecting, get appropriate amount of sample respectively in the drying receptacle of cleaning, with submergence test-paper for standard, after 3min, the color of test paper and standard color comparison card are compared, numerical value corresponding to the color range identical with colorimetric card color is the detected value of this sample, and namely the color as test paper gets both intermediate value between two color ranges.Water sample content of nitrite wherein in a Shui nationality fan aquarium is 50mg/L, and water hardness is 250mg/L; Water sample chloride content in another one Shui nationality fan aquarium is 25mg/L; PH8.5 in 3rd Shui nationality fan aquarium, total alkali is greater than 240mg/L.All there is the factor being unfavorable for the growth of aquatic-organism.
Verify above-mentioned 6 increment product according to People's Republic of China (PRC) marine industry standard SC/T 9411-2012 " aquarium aquatic mammals raise water quality ", testing result is consistent with test paper result of the present invention, demonstrates practicality of the present invention and accuracy.
Claims (10)
1. for 6 conjunction 1 test paper that aquarium water quality detects fast, it is characterized in that: be made up of paper substrate and 6 pieces of colour developing scraps of paper, being fixedly connected with described 6 pieces of colour developing scraps of paper of described substrate.
2. a kind of 6 conjunction 1 test paper detected fast for aquarium water quality according to claim 1, it is characterized in that: described paper substrate material is PP synthetic paper, specification is long 5-10cm, wide 0.5-1cm, is preferably the specification of long 7cm, wide 0.55cm; 6 pieces of developing paper sheet materials are 3mm chromatography filter paper, and specification is long 0.5-1cm, wide 0.5-1cm, the specification of the wide 0.55cm of preferred long 0.7cm.
3. 6 pieces of colour developing scraps of paper according to claim 1, it is characterized in that: comprise No. 1 scraps of paper, No. 2 scraps of paper, No. 3 scraps of paper, No. 4 scraps of paper, No. 5 scraps of paper, No. 6 scraps of paper, be respectively used to detect aquarium nitrite, nitrate, total hardness, total chlorine, total alkali, pH value 6 kinds of indexs.
4. No. 1 scraps of paper according to claim 3, is characterized in that:
(1) in advance through reactant liquor 1A, soak time is 10-20s, in temperature 90-100 DEG C, dry 20-30min under the environment of vacuum tightness 100-110Pa; In the immersion through reactant liquor 1B, soak time is 10-20s, in temperature 50-60 DEG C, dry 20-30min under the environment of vacuum tightness 100-110Pa.
(2) solvent of reactant liquor 1A is water, and solute is 0.1-0.2g/L sodium chloride.
(3) solvent of reactant liquor 1B is ethanol, and solute is 0.015-0.025g/L sulfanilamide (SN), 0.004-0.005g/L N-1 (Nai Ji) ethylendiamine dihydrochloride, 0.5-0.8g/L 5-sulphosalicylic acid and 0.5-1.0g/L polyvinylpyrrolidone.
5. No. 2 scraps of paper according to claim 3, is characterized in that:
(1) in advance through reactant liquor 2A, soak time is 10-20s, in temperature 90-100 DEG C, dry 20-30min under the environment of vacuum tightness 100-110Pa; In the immersion through reactant liquor 2B, soak time is 10-20s, in temperature 50-60 DEG C, dry 20-30min under the environment of vacuum tightness 100-110Pa.Smear the zinc free-from arsenic powder of skim process again at its surface uniform, dry up with cold wind.
(2) solvent of reactant liquor 2A is water, and solute is 0.1-0.2g/L sodium chloride.
(3) solvent of reactant liquor 2B is ethanol, and solute is 0.015-0.025g/L sulfanilamide (SN), 0.004-0.005g/L N-1 (Nai Ji) ethylendiamine dihydrochloride, 0.5-0.8g/L 5-sulphosalicylic acid and 0.5-1.0g/L polyvinylpyrrolidone.
6. No. 3 scraps of paper according to claim 3, is characterized in that:
(1) in advance through the immersion of reactant liquor 3, soak time is 10-20s, in temperature 50-60 DEG C, dry 30-40min under the environment of vacuum tightness 100-110Pa.
(2) solvent of reactant liquor 3 is 80-120ml phosphate buffer (pH=10), and solute is 0.3-0.5% eriochrome black T, 0.1-0.2g polyvinylpyrrolidone, 0.05-0.10% alizarin.
7. No. 4 scraps of paper according to claim 3, is characterized in that:
(1) in advance through the immersion of reactant liquor 4, soak time is 10-20s, in temperature 50-60 DEG C, dry 30-40min under the environment of vacuum tightness 100-110Pa.
(2) solvent of reactant liquor 4 is 20% ethanolic solution of 80-120ml, and solute is that 0.2-0.4% bromine first powder is green, 0.1-0.2g polyvinylpyrrolidone.
8. No. 5 scraps of paper according to claim 3, is characterized in that:
(1) in advance through the immersion of reactant liquor 5, soak time is 10-20s, in temperature 50-60 DEG C, dry 30-40min under the environment of vacuum tightness 100-110Pa.
(2) solvent of reactant liquor 5 is the absolute ethyl alcohol of 80-120ml, and solute is 2-6g/L benzophenone sulfo-thing, 3-5g/L polyvinylpyrrolidone.
9. No. 6 scraps of paper according to claim 3, is characterized in that:
(1) in advance through the immersion of reactant liquor 6, soak time is 10-20s, in temperature 50-60 DEG C, dry 30-40min under the environment of vacuum tightness 100-110Pa.
(2) solvent of reactant liquor 6 is 30% ethanolic solution of 80-120ml, and solute is bromothymol blue 0.6-0.8g/L, bromothymol blue 0.3-0.5g/L, metanil yellow 0.2-0.3g/L, m-methyl red 0.15-0.25g/L, bromcresol green 0.05-0.08g/L, nitro-nitrogen yellow 0.12-0.22g/L, adjacent first phenol Fu phthalein 0.4-0.5g/L, phenolphthalein 0.03-0.05g/L, para-nitrophenylazosalicylate sodium 0.8-1.0g/L, titan yellow 0.4-0.6g/L, the orange red 0.02-0.08g/L of fluorescence.
10. according to claim 1 a kind of 6 close 1 heavy-metal residual quick detection test paper, it is characterized in that:
(1) result judges that Plays colorimetric card has No. 1 colorimetric card, No. 2 colorimetric cards, No. 3 colorimetric cards, No. 4 colorimetric cards, No. 5 colorimetric cards, No. 6 colorimetric cards, is respectively used to the residual quantity judging to detect aquarium nitrite, nitrate, total hardness, total chlorine, total alkali, pH value 6 kinds of indexs.
(2) No. 1 colorimetric card colors are divided into 7 class from shallow to deep, and corresponding detected sample nitrite remains actual concentrations is respectively 0mg/L, 5mg/L, 10mg/L, 25mg/L, 50mg/L, 100mg/L, 250mg/L for they.
(3) No. 2 colorimetric card colors are divided into 6 class from shallow to deep, and nitrate remains actual concentrations in corresponding detected sample is respectively 0mg/L, 2mg/L, 5mg/L, 10mg/L, >0mg/L for they.
(4) No. 3 colorimetric card colors are divided into 6 class from shallow to deep, and in the corresponding detected sample of they difference, total hardness (calcium, magnesium ion) actual concentrations is 0mg/L, 25mg/L, 50mg/L, 120mg/L, 250mg/L, 425mg/L.
(5) No. 4 colorimetric card colors are divided into 6 class from shallow to deep, they respectively in corresponding detected sample total chlorine actual concentrations be 0mg/L, 4mg/L, 10mg/L, 25mg/L, 50mg/L, 100mg/L.
(6) No. 5 colorimetric card colors are divided into 6 class from shallow to deep, they respectively in corresponding detected sample total alkali actual concentrations be 0mg/L, 40mg/L, 80mg/L, 120mg/L, 108mg/L, 240mg/L.
(7) No. 6 colorimetric card colors are divided into 5 class from shallow to deep, they respectively in corresponding detected sample pH value be 6.5,7.0,7.5,8.0,8.5.
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| CN108593640A (en) * | 2018-04-19 | 2018-09-28 | 长春万成生物电子工程有限公司 | A kind of Test paper of water quality total alkalinity and preparation method thereof and detection method |
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| CN105181690A (en) * | 2015-09-28 | 2015-12-23 | 北京福德安科技有限公司 | 12-channel micro-flow rapid colorimetric water quality detection device |
| CN105181690B (en) * | 2015-09-28 | 2018-03-27 | 北京福德安科技有限公司 | A kind of quick colorimetric water quality detecting device of 12 passage miniflows |
| CN108072653A (en) * | 2016-11-28 | 2018-05-25 | 上海泓宝绿色水产股份有限公司 | A kind of total hardness detecting system and its application method for being used to detect that total hardness is 0-560mg/L |
| CN107271469A (en) * | 2017-06-08 | 2017-10-20 | 上海市环境科学研究院 | The heavy metal in water semi-quantitative analysis method analyzed based on X-ray fluorescence spectra |
| CN107228856A (en) * | 2017-08-11 | 2017-10-03 | 中国锅炉水处理协会 | A kind of boiler feedwater quality hardness test agent and its preparation |
| CN108593640A (en) * | 2018-04-19 | 2018-09-28 | 长春万成生物电子工程有限公司 | A kind of Test paper of water quality total alkalinity and preparation method thereof and detection method |
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