Performance is critical not only for the producers of additives of Textile auxiliaries, more and more attention to printing and dyeing enterprises, friend also mentioned on the front of this issue. Through this topic, some performance indicators common auxiliaries and its test methods give you a summary, for friend needs reference. Hope chemical friends actively involved. Solid content: General drying method can be used to measure solid content, weigh a certain weight (W0) additives samples in 105-degree oven drying to weight no longer changes at this time the weights W1, then solid content is W1 addition W0. Drying method for most Textile auxiliaries can be applied, but there are some exceptions. Identification of ion in a stoppered test tube, add 5mL methylene blue reagent (preparation of 0.03g methylene blue, 12g mix itself with concentrated sulfuric acid and 50g sodium sulfate and distilled water diluted to 1L) and 5mL chloroform. Then drop plus the sample being tested, one drop every drop, violent shaking up and down until Zeng Cheng up and down the same color, continue to increase 2mL drops the sample being tested, shaking, and then standing, its hierarchy. Chloroform layer color depth, the layer of colorless, the sample being tested as anionic. Chloroform layer of colorless, water color depth, the sample being tested is cationic. This method of surfactant samples, such as lotions, more obvious such as scouring agent, emulsion with respect to such samples require a bit of experience. Determination of cloud point sample in beaker using distilled water distribution to 1% solution, and then slowly heated, while the heated side agitation and thermometer measuring the temperature, and other solution is to clarify becomes a turbidity reading temperature value. Natural cooling and then edge of the sample solution agitation, solutions from muddy to read temperature value clarification. Repeat several times, and averaged in the cloud point temperature. Cloud point is the characteristic index of non-ionic surfactants, anionic or cationic surfactant, and emulsion with respect to such samples are not applicable. Foaming in a plug for the determination of the scale of the test tube (preferably above 20mL test tube), by adding a certain amount (like 10mL) samples being tested, put the plug (guarantee that no leakage of liquid), and shaken up and down 20, height of the bubble in the tube reaches that as criteria for foaming. Higher bubble, description of bubbles, the better. Defoaming performance determination of no more than two tubes of the same size (best 20mL), respectively the same amount (like 10mL) of the sample being tested, firmly shaking up and down 20 times, foams by up to the time required to completely shattered is the foam, defoaming time shorter, faster the defoaming, defoaming performance better. Determination of antifoaming performance takes two tubes of the same size (best 20mL), respectively the same amount (like 10mL) of the sample being tested, and shaken up and down 20, reads the bubble reached the height of the bubble less description of antifoaming properties. Determination of acid-proof performance take the beaker several of the same size, respectively the same amount (say, 100 grams) of the sample being tested, and then to 5 grams is increasing the quantity and then click Join glacial acetic acid to the beaker and mix, observing any turbidity or stratification, turbidity or hierarchical acetic acid content which is the amount of acid in the beaker. In order to more accurately represent acid resistance and can occur in cloudy or hierarchical content of the intermediate value, reduces the amount increased, repeat the previous action. Determination of alkali resistance performance take the beaker several of the same size, respectively the same amount (say, 100 grams) of the sample being tested, and then to 5 grams is increasing the quantity and then click join to a beaker of caustic soda (or soda) solution, and mix, observing any turbidity or stratification, turbidity or hierarchical in a beaker of caustic soda (or soda) solution to join is the alkali amount. Similarly, you can to muddy or hierarchical content of the intermediate value, reduces the amount increased, repeat the previous action, to get a more accurate amount of alkali-resistant. Determination of resistance to electrolyte properties take the same number of beaker size, respectively the same amount (say, 100 grams) of the sample being tested, and then to 5 grams is increasing the quantity and then click join to a beaker and mix of electrolyte, observing any turbidity or stratification, turbidity or hierarchical in a beaker of the added amount of electrolyte for electrolytic resistance quality. To muddy or hierarchical content of the intermediate value, reduces the amount increased, repeat the previous operation, you get more accurate amount of electrolyte resistance. General selection of magnesium chloride, sodium chloride electrolyte, can also be selected according to actual needs. Determination of resistance to hard water and electrolyte resistance properties of resistance to hard water, calcium chloride, magnesium chloride electrolyte selection results of performance is the resistance to hard water. For ease of use, concentrations of electrolyte resistance into the water hardness. Permeability test sample being tested at a certain concentration distribution test solution, canvas standard levels on the surface of the test solution, canvas from sinking to sink into the bottom of the cup of the permeability of time means that the tested sample. Test of permeability of alkali resistance of permeability test in the test above by adding a certain amount of caustic soda in aqueous solution and permeability of alkali resistance of test results of the sample being tested. Wetting test fabric samples distribution into the working fluid being tested for processing, and then drying, tile on a desktop, eyedropper lessons distilled water using a clean, drops one drop on the fabric surface, from the falling water drops to a fabric surface to complete paving of the water droplets on fabric surface wettability of time means that the tested sample. Sodium dispersion test will be a certain amount of acid solution mixed with different concentration of the sample solution, in agitation under a certain amount (relative to oleic acid sodium excess) calcium chloride solution. According to the solution of calcium SOAP Floc floating out of condensation or dispersion of calcium SOAP in water as much as you can determine the dispersion of good or bad. Washing test into the comparison sample by sample and distribution with a certain concentration of the solution, in the standard dirty cloth washing processing under the conditions. After washing and drying, the Visual standards of dirty cloth color shades, to relative temperature evaluation of the sample being tested. For dyeing and printing enterprises, not specifically to do or buy pollution standards, you can use the actual fabric and related processes of production in the production of water immersion, as pollution standards use. Calcium ion-complexing ability test takes a certain amount of test sample (if higher multiples can dilute some of the content), with sodium oxalate as indicator, calcium distribution well in advance (such as calcium chloride) standard titration solution, to the solution appear cloudy or white precipitate when the end point. Consumption divided by the amount of calcium ions is the unit weight is the weight of the sample being tested sample complexation of calcium ions. Iron ion complexationTesting takes a certain amount of test sample (if higher than multiple sample dilution can be certain), adjust pH value with a 30% of the sodium hydroxide solution to 10—-12, and then use ammonium sulfate standard solution titration, cloudy to generate no longer dissolve or colour changes for end point. Consumption divided by the amount of iron ions are sample unit of weight is the weight capacity of complex iron ions by sample. Sodium salt of sodium oleic acid is oleic acid, unsaturated fatty acids oleic acid is 16 carbon. Use sodium oleate, is because acid sodium and calcium ion to produce insoluble in water the flock, these precipitate under dispersion effect of additive, partially soluble in water, dispersing more, larger the amount of dissolved.