natgillin/translations-raw huggingface dataset:
Odsesajte tekočino iz lončka in temeljito sperite ostanek z vodo, razredčeno ocetno kislino in nazadnje z vodo; po vsakem izpiranju odstranite tekočino iz lončka z odsesavanjem.
Drain the crucible with suction and wash the residue successively with water, dilute acetic acid, and finally water, draining the crucible with suction after each addition.
Odsesavanje uporabite vsakič šele po tem, ko je tekočina že odtekla zaradi težnosti.
Do not apply suction until each washing liquor has drained under gravity.
Nazadnje odstranite tekočino iz lončka z odsesavanjem, osušite lonček z ostankom, ju ohladite in stehtajte.
Finally, drain the crucible with suction, dry the crucible with the residue, and cool and weigh them.
Vrednost „d“ je 1,00, razen za bombaž, viskozo, modalna vlakna in melaminska vlakna, za katera velja vrednost „d“ = 1,01, in za nebeljeni bombaž, za katerega velja vrednost „d“ = 1,03.
The value of ‘d’ is 1,00, except for cotton, viscose, modal and melamine for which ‘d’ = 1,01, and unbleached cotton, for which ‘d’ = 1,03.
Za homogeno mešanico tekstilnih materialov meje zanesljivosti rezultatov, dobljenih s to metodo, ne presegajo ± 1 za stopnjo zanesljivosti 95 %.
On homogeneous mixtures of textile materials, the confidence limits for results obtained by this method are not greater than ± 1 for a confidence level of 95 %.
METODA št. 3 VISKOZNA VLAKNA, BAKROVA VLAKNA ALI NEKATERE VRSTE MODALNIH VLAKEN IN BOMBAŽA (Metoda z uporabo mravljične kisline in cinkovega klorida)
METHOD No 3 VISCOSE, CUPRO OR CERTAIN TYPES OF MODAL AND COTTON (Method using formic acid and zinc chloride)
viskoznih vlaken (25) ali bakrovih vlaken (21), skupaj z nekaterimi vrstami modalnih vlaken (22),
viscose (25) or cupro (21), including certain types of modal fibre (22),
bombažem (5), elastolefinskimi vlakni (47) in melaminskimi vlakni (48).
cotton (5), elastolefin (47) and melamine (48).
Če ugotovimo prisotnost modalnega vlakna, je treba izvesti predhodni preskus, da ugotovimo, ali je to vlakno topljivo v reagentu.
If a modal fibre is found to be present, a preliminary test shall be carried out to see whether it is soluble in the reagent.
Ta metoda ni uporabna za mešanice, v katerih je bombaž kemično bistveno razgrajen, prav tako ne v primerih, kadar viskozna ali bakrova vlakna niso popolnoma topna zaradi prisotnosti določenih barvil ali apretur, ki jih ni mogoče v celoti odstraniti.
This method is not applicable to mixtures in which the cotton has suffered extensive chemical degradation nor when the viscose or cupro is rendered incompletely soluble by the presence of certain dyes or finishes that cannot be removed completely.
Viskozna, bakrova ali modalna vlakna raztopimo iz znane suhe mase mešanice z reagentom, ki je mravljična kislina ali cinkov klorid.
The viscose, cupro or modal fibre is dissolved from a known dry mass of the mixture, with a reagent consisting of formic acid and zinc chloride.
Ostanek združimo, speremo, posušimo in stehtamo; korigirano maso ostanka izrazimo kot odstotek suhe mase mešanice.
The residue is collected, washed, dried and weighed; its corrected mass is expressed as a percentage of the dry mass of the mixture.
Odstotek suhih viskoznih, bakrovih ali modalnih vlaken izračunamo iz razlike.
The percentage of dry viscose, cupro or modal fibre is found by difference.
Erlenmajerica z brušenim zamaškom prostornine najmanj 200 ml;
Glass-stoppered conical flasks of at least 200 ml capacity.
Grelec, ki omogoča vzdrževanje temperature erlenmajerice na 40 (± 2) oC.
Apparatus for maintaining flasks at 40 (± 2) ºC.
Raztopina, vsebujoča 20 g raztaljenega brezvodnega cinkovega klorida in 68 g brezvodne mravljične kisline ter dopolnjena do 100 g z vodo (20 masnih deležev raztaljenega brezvodnega cinkovega klorida na 80 masnih deležev 85 % m/m mravljične kisline).
Solution containing 20 g of fused anhydrous zinc chloride and 68 g of anhydrous formic acid made up to 100 g with water (namely 20 parts by mass of fused anhydrous zinc chloride to 80 parts by mass of 85 % m/m formic acid).
V tej zvezi vas opozarjamo na točko I.3.2.2, ki opredeljuje, da morajo biti vsi uporabljeni reagenti kemično čisti; poleg tega je bistveno, da uporabljate izključno raztaljeni brezvodni cinkov klorid.
Attention is drawn, in this respect, to point I.3.2.2, which lays down that all reagents used shall be chemically pure; in addition, it is essential to use only fused anhydrous zinc chloride.
Raztopina amonijevega hidroksida: Razredčite 20 ml koncentrirane raztopine amoniaka (s specifično težo 0,880 g/ml) v 1 litru vode.
Ammonium hydroxide solution: dilute 20 ml of a concentrated ammonia solution (specific gravity 0,880 g/ml) to 1 litre with water.
Izvedite postopek, opisan v splošnih navodilih, in nadaljujte, z naslednjim: Postavite preskusni primerek nemudoma v erlenmajerico, predgreto na temperaturo 40 oC.
Follow the procedure described in the general instructions and proceed as follows: place the specimen immediately in the flask, pre-heated to 40 ºC.
Dolijte preskusnemu primerku 100 ml raztopine mravljične kisline in cinkovega klorida, predgreto na temperaturo 40 oC.
Add 100 ml of the solution of formic acid and zinc chloride, pre-heated to 40 ºC per gram of specimen.
Zamašite erlenmajerico z zamaškom in jo močno pretresite.
Insert the stopper and shake the flask vigorously.
Pustite steklenico in njeno vsebino dve uri in pol na temperaturi 40 oC, vsako uro jo pretresite.
Keep the flask and its contents at a constant temperature of 40 ºC for two hours and a half, shaking the flask at hourly intervals.
Filtrirajte vsebino erlenmajerice skozi stehtan filtrirni lonček in z reagentom prenesite v lonček vsa v erlenmajerici preostala vlakna.
Filter the contents of the flask through the weighed filter crucible and with the help of the reagent transfer to the crucible any fibres remaining in the flask.
Sperite z 20 ml reagenta.
Rinse with 20 ml of reagent.
Temeljito sperite lonček in ostanek z vodo temperature 40 oC.
Wash crucible and residue thoroughly with water at 40 ºC.
Sperite vlaknati ostanek v približno 100 ml hladne raztopine amoniaka (3.2.ii) tako, da je ostanek vlaken popolnoma potopljen v tej raztopini 10 minut; nato ga temeljito sperite s hladno vodo.
Rinse the fibrous residue in approximately 100 ml of cold ammonia solution (3.2.ii) ensuring that this residue remains wholly immersed in the solution for 10 minutes; then rinse thoroughly with cold water.
Končno odstranite preostalo tekočino z odsesavanjem, osušite lonček in ostanek, ju ohladite in stehtajte.
Finally, drain the remaining liquid with suction, dry the crucible and residue, and cool and weigh them.
Vrednost „d“ je 1,02 za bombaž, 1,01 za melaminska vlakna in 1,00 za elastolefinska vlakna.
The value of ‘d’ is 1,02 for cotton, 1,01 for melamine and 1,00 for elastolefin.
Za homogeno mešanico tekstilnih materialov meje zanesljivosti rezultatov, dobljenih s to metodo, ne presegajo ± 2 pri stopnji zanesljivosti 95 %.
On a homogeneous mixture of textile materials, the confidence limits of results obtained by this method are not greater than ± 2 for a confidence level of 95 %.
METODA št. 4 POLIAMIDNA ALI NAJLONSKA VLAKNA TER NEKATERA DRUGA VLAKNA (Metoda z uporabo mravljične kisline koncentracije 80 % m/m)
METHOD No 4 POLYAMIDE OR NYLON, AND CERTAIN OTHER FIBRES (Method using 80 % m/m formic acid)
poliamidnih ali najlonskih vlaken (30),
polyamide or nylon, (30),
volno (1), vlakni iz živalske dlake (2 in 3), bombažem (5), bakrenimi vlakni (21), modalnimi vlakni (22), viskoznimi vlakni (25), akrilnimi vlakni (26), vlakni iz kloropolimerov (27), poliestrskimi vlakni (35), polipropilenskimi vlakni (37), steklenimi vlakni (44), elastomultiestrskimi vlakni (46), elastolefinskimi vlakni (47) in melaminskimi vlakni (48).
wool (1), animal hair (2 and 3), cotton (5), cupro (21), modal (22), viscose (25), acrylic (26), chlorofibre (27), polyester (35), polypropylene (37), glass fibre (44), elastomultiester (46), elastolefin (47) and melamine (48).
Kot je navedeno zgoraj, je ta metoda uporabna tudi za mešanice z volno, kadar pa vsebnost volne presega 25 %, je treba uporabljati metodo št. 2 (raztapljanje volne v raztopini alkalnega natrijevega hipoklorita).
As mentioned above, this method is also applicable to mixtures with wool, but when the wool content exceeds 25 %, method No 2 shall be applied (dissolving wool in a solution of alkaline sodium hypochlorite).
Poliamidna vlakna raztopimo z mravljično kislino iz znane suhe mase mešanice.
The polyamide fibre is dissolved out from a known dry mass of the mixture, with formic acid.
Odstotek suhih poliamidnih ali najlonskih vlaken izračunamo kot razliko.
The percentage of dry polyamide or nylon is found by difference.
Erlenmajerica z brušenim zamaškom prostornine najmanj 200 ml.
Glass-stoppered conical flask of at least 200 ml capacity.
Drugače raztopite 98 do 100 % mravljične kisline (koncentracije 780 ml m/m, relativne gostote 1,220 pri 20 oC): z vodo dopolnimo do 1 litra.
Alternatively, dilute 780 ml of 98 to 100 % m/m formic acid (relative density at 20 ºC: 1,220) to 1 litre with water.
Koncentracija mravljične kisline ni kritična v območju od 77 do 83 % m/m.
The concentration is not critical within the range 77 to 83 % m/m formic acid.
Amoniak, razredčena raztopina: razredčite 80 ml koncentrirane amonijeve raztopine (relativna gostota 0,880 pri 20 ºC): z vodo dopolnimo do 1 litra.
Ammonia, dilute solution: dilute 80 ml of concentrated ammonia solution (relative density at 20 ºC: 0,880) to 1 litre with water.
Izvedite postopek, opisan v splošnih navodilih, in nadaljujte, z naslednjim: Preskusnemu primerku, vstavljenem v erlenmajerico prostornine najmanj 200 ml, prilijte 100 ml mravljične kisline na gram preskusnega primerka.
Follow the procedure described in the general instructions and proceed as follows: to the specimen contained in the conical flask of at least 200 ml capacity, add 100 ml of formic acid per gram of specimen.
Zamašite erlenmajerico in jo pretresite, da se preskusni primerek omoči.
Insert the stopper, shake the flask to wet out the specimen.
Pustite erlenmajerico 15 minut pri sobni temperaturi, med tem jo občasno pretresajte.
Stand the flask for 15 minutes at room temperature, shaking it at intervals.
Filtrirajte vsebino erlenmajerice skozi stehtan stekleni filtrirni lonček in prenesite morebitna preostala vlakna v filtrirni lonček, tako da erlenmajerico izperete z manjšo količino mravljične kisline.
Filter the contents of the flask through the weighed filter crucible and transfer any residual fibres to the crucible by washing out the flask with a little formic acid reagent.
Odsesajte tekočino iz lončka in temeljito sperite ostanek na filtru zaporedoma z mravljično kislino, vročo vodo, razredčeno raztopino amoniaka, in nazadnje s hladno vodo.
Drain the crucible with suction and wash the residue on the filter successively with formic acid reagent, hot water, dilute ammonia solution, and finally cold water, draining the crucible with suction after each addition.
Po izpiranju vsake tekočine to tekočino odsesajte iz lončka.
Do not apply suction until each washing liquor has drained under gravity.
METODA št. 5 ACETATNA IN TRIACETATNA VLAKNA (Metoda z uporabo benzilalkohola)
METHOD No 5 ACETATE AND TRIACETATE (Method using benzyl alcohol)
triacetatom (24), elastolefinskimi vlakni (47) in melaminskimi vlakni (48).
‐ triacetate (24), elastolefin (47) and melamine (48).
Acetatna vlakna raztopimo iz znane suhe mase mešanice z benzil-alkoholom pri temperaturi 52 ± 2 oC.
The acetate fibre is dissolved out from a known dry mass of the mixture, with benzyl alcohol at 52 ± 2 ºC.
Ostanek združimo, speremo, posušimo in stehtamo; maso ostanka, po potrebi korigirano, izrazimo kot odstotek suhe mase mešanice.
The residue is collected, washed, dried and weighed; its mass is expressed as a percentage of the dry mass of the mixture.
Mehanski stresalnik.
Mechanical shaker.
Grelec ali drugi aparat za vzdrževanje temperature erlenmajerice na 52 ± 2 oC.
Thermostat or other apparatus for keeping the flask at a temperature of 52 ± 2 ºC.
Izvedite postopek, opisan v splošnih navodilih, in nadaljujte, z naslednjim:
Follow the procedure described in the general instructions and proceed as follows:
Preskusnemu primerku, vstavljenem v erlenmajerico, prilijte 100 ml benzilalkohola na gram preskusnega primerka.
To the specimen contained in the conical flask, add 100 ml of benzyl alcohol per gram of specimen.
Zamašite erlenmajerico in jo pritrdite v stresalnik, tako da je potopljena v vodno kopel, katere temperatura je vzdrževana na 52 ± 2 oC, nato pa jo 20 minut stresajte pri tej temperaturi.
Insert the stopper, secure the flask to the shaker so that it is immersed in the water-bath, kept at 52 ± 2 ºC, and shake for 20 minutes at this temperature.
(Namesto v mehanskem stresalniku lahko erlenmajerico močno stresate ročno).
(Instead of using a mechanical shaker, the flask may be shaken vigorously by hand).
Zlijte tekočino skozi stehtani filtrirni lonček.
Decant the liquid through the weighed filter crucible.
Dolijte naslednjo količino benzilalkohola v stekleničko in stresajte enako kot prej 20 minut pri temperaturi 52 ± 2 oC.
Add a further dose of benzyl alcohol in the flask and shake as before at 52 ± 2 ºC for 20 minutes.
Pretočite tekočino skozi filtrirni lonček.
Decant the liquid through the crucible.
Ponovite cikel še tretjič.
Repeat the cycle of operations a third time.
Končno zlijte tekočino in ostanek v lonček; sperite vsa preostala vlakna iz erlenmajerice v lonček z dodatno količino benzilalkohola s temperaturo 52 ± 2 oC.
Finally pour the liquid and the residue into the crucible; wash any remaining fibres from the flask into the crucible with an extra quantity of benzyl alcohol at 52 ± 2 ºC.
Temeljito odstranite tekočino iz lončka.
Drain the crucible thoroughly.
Prenesite vlakna v erlenmajerico, sperite z etanolom in po ročnem stresanju pretočite skozi filtrirni lonček.
Transfer the fibres into a flask, rinse with ethanol and after shaking manually decant through the filter crucible.
Ta postopek spiranja ponovite dvakrat ali trikrat.
Repeat this rinsing operation two or three times.
Prenesite ostanek v lonček in temeljito odstranite tekočino.
Transfer the residue into the crucible and drain thoroughly.
Osušite lonček in ostanek vlaken, ju ohladite in stehtajte.
Dry the crucible and the residue and cool and weigh them.
METODA št. 6 TRIACETATNA IN NEKATERA DRUGA VLAKNA (Metoda z uporabo diklormetana)
METHOD No 6 TRIACETATES AND CERTAIN OTHER FIBRES (Method using dichloromethane)
triacetatnih vlaken (24) ali poliaktidnih vlaken (34).
triacetate (24) or polylactide (34)
volno (1), živalskimi dlakami (2 in 3), svilo (4), bombažem (5), bakrenimi vlakni (21), modalnimi vlakni (22), viskoznimi vlakni (25), akrilnimi vlakni (26), poliamidnimi ali najlonskimi vlakni (30), poliestrskimi vlakni (35), steklenimi vlakni (44), elastomultiestrskimi vlakni (46), elastolefinskimi vlakni (47) in melaminskimi vlakni (48).
wool (1), animal hair (2 and 3), silk (4), cotton (5), (21), modal (22), viscose (25), acrylic (26), polyamide or nylon (30), polyester (35), glass fibre (44) elastomultiester (46), elastolefin (47) and melamine (48).
Triacetatna vlakna, ki so bila končno obdelana tako, da je prišlo do delne hidrolize, niso več popolno topna v reagentu.
Triacetate fibres which have received a finish leading to partial hydrolysis cease to be completely soluble in the reagent.
V takih primerih ta metoda ni uporabna.
In such cases, the method is not applicable.
Triacetatna ali poliaktidna vlakna z raztapljanjem v diklorometanu izločimo iz znane suhe mase mešanice.
The triacetate or polylactide fibres are dissolved out from a known dry mass of the mixture, with dichloromethane.
Odstotni masni delež suhih triacetatnih ali poliaktidnih vlaken izračunamo prek razlike.
The percentage of dry triacetate or polylactide is found by difference.
V erlenmajerico, v kateri je ostanek, dolijte 60 ml diklormetana, ročno pretresite in filtrirajte vsebino erlenmajerice skozi filtrirni lonček.
Add 60 ml of dichloromethane to the flask containing the residue, shake manually and filter the contents of the flask through the filter crucible.
Prenesite vlakna ostanka v lonček tako, da erlenmajerico sperete še z nekaj diklormetana.
Transfer the residual fibres to the crucible by washing out the flask with a little more dichloromethane.
Odsesajte odvečno tekočino iz lončka, ponovno napolnite lonček z diklormetanom in ga pustite odteči zaradi težnosti.
Drain the crucible with suction to remove excess liquid, refill the crucible with dichloromethane and allow it to drain under gravity.
Nazadnje odsesajte odvečno tekočino, nato operite ostanek z vrelo vodo, da odstranite vse topilo, odsesajte tekočino, osušite lonček in ostanek, ju ohladite in stehtajte.
Finally, apply suction to eliminate excess liquid, then treat the residue with boiling water to eliminate all the solvent, apply suction, dry the crucible and residue, cool and weigh them.
Vrednost „d“ je 1,00, razen pri poliestrskih, elastomultiestrskih, elastolefinskih in melaminskih vlaknih, pri katerih je vrednost „d“ 1,01.
The value of ‘d’ is 1,00, except in the case of polyester, elastomultiester, elastolefin and melamine for which the value of ‘d’ is 1,01.
METODA št. 7 NEKATERA CELULOZNA VLAKNA IN POLIESTRSKA VLAKNA (Metoda z uporabo žveplove kisline koncentracije 75 % m/m)
METHOD No 7 CERTAIN CELLULOSE FIBRES AND POLYESTER (Method using 75 % m/m sulphuric acid)
bombaža (5), lanu (7), prave konoplje (8), ramije (14), bakrovih vlaken (21), modalnih vlaken (22), viskoznih vlaken (25),
cotton (5), flax (7), true hemp (8), ramie (14), cupro (21), modal (22), viscose (25)
poliestrskimi vlakni (35), elastomultiestrskimi vlakni (46) in elastolefinskimi vlakni (47).
polyester (35), elastomultiester (46) and elastolefin (47).
Celulozna vlakna raztopimo z žvepleno kislino koncentracije 75 % m/m iz znane suhe mase mešanice.
The cellulose fibre is dissolved out from a known dry mass of the mixture, with 75 % m/m sulphuric acid.
Odstotek suhih celuloznih vlaken izračunamo iz razlike.
The proportion of dry cellulose fibre is found by difference.
Erlenmajerica z brušenim zamaškom prostornine najmanj 500 ml.
Glass-stoppered conical flask of at least 500 ml capacity.
Grelec ali podoben aparat, ki vzdržuje erlenmajerico na temperaturi 50 ± 5 oC.
Thermostat or other apparatus for maintaining the flask at 50 ± 5 ºC.
Žveplova kislina, 75 ± 2 % m/m
Sulphuric acid, 75 ± 2 % m/m
Pripravite jo s previdnim dolivanjem ob hkratnem hlajenju 700 ml žveplove kisline (relativne gostote 1,84 pri temperaturi 20 oC) v 350 ml destilirane vode.
Prepare by adding carefully, while cooling, 700 ml of sulphuric acid (relative density at 20 ºC: 1,84) to 350 ml of distilled water.
Ko se raztopina ohladi na sobno temperaturo, jo razredčite z vodo do skupne prostornine 1 litra.
After the solution has cooled to room temperature, dilute to 1 litre with water.
Amoniak, razredčena raztopina
Ammonia, dilute solution
Razredčite 80 ml amonijeve raztopine (relativna gostota 0,88 pri 20 ºC): z vodo dopolnimo do 1 litra.
Dilute 80 ml of ammonia solution (relative density at 20 ºC: 0,88) to 1 litre with water.
Preskusnemu primerku, vstavljenemu v erlenmajerico prostornine najmanj 500 ml, prilijte 200 ml žveplove kisline koncentracije 75 % na gram preskusnega primerka, zamašite erlenmajerico in jo previdno pretresite, da se preskusni primerek omoči.
To the specimen contained in the glass-stoppered conical flask of at least 500 ml capacity, add 200 ml of 75 % sulphuric acid per gram of specimen, insert the stopper and carefully shake the flask to wet out the specimen.
Eno uro pustite erlenmajerico na temperaturi 50 ± 5 oC, med tem jo redno stresajte približno vsakih 10 minut.
Maintain the flask at 50 ± 5 ºC for one hour, shaking it at regular intervals of roughly 10 minutes.
Z odsesavanjem filtrirajte vsebino erlenmajerice skozi stehtan stekleni filtrirni lonček.
Filter the contents of the flask through the weighed filter crucible by means of suction.
Prenesite morebitna preostala vlakna v filtrirni lonček, tako da erlenmajerico izperete z manjšo količino žveplove kisline koncentracije 75 %.
Transfer any residual fibres by washing out the flask with a little 75 % sulphuric acid.
Odsesajte tekočino iz lončka in sperite ostanek na filtru z enkratnim dolitjem sveže žveplove kisline v lonček.
Drain the crucible with suction and wash the residue on the filter once by filling the crucible with a fresh portion of sulphuric acid.
Odsesavanje uporabite šele po tem, ko je tekočina že odtekla zaradi težnosti.
Do not apply suction until the acid has drained under gravity.
Ostanek izperite večkrat zaporedoma s hladno vodo, nato dvakrat z razredčeno raztopino amoniaka, nato pa temeljito s hladno vodo.
Wash the residue successively several times with cold water, twice with dilute ammonia solution, and then thoroughly with cold water, draining the crucible with suction after each addition.
Po vsakem izpiranju odstranite tekočino iz lončka z odsesavanjem.
Do not apply suction until each washing liquor has drained under gravity.
Vrednost „d“ je 1,00.
The value of ‘d’ is 1,00.
METODA št. 8 AKRILNA, NEKATERA MODAKRILNA ALI DOLOČENA KLOROVLAKNA TER NEKATERA DRUGA VLAKNA (Metoda z uporabo dimetilformamida)
METHOD No 8 ACRYLICS, CERTAIN MODACRYLICS OR CERTAIN CHLOROFIBRES AND CERTAIN OTHER FIBRES (Method using dimethylformamide)
akrilnih vlaken (26), nekaterih modakrilnih vlaken (29) ali nekaterih klorovlaken (27) Pred izvedbo analize se preveri topnost modakrilnih vlaken oziroma klorovih vlaken v reagentu.
acrylics (26), certain modacrylics (29), or certain chlorofibres (27) The solubility of such modacrylics or chlorofibres in the reagent shall be checked before carrying out the analysis.
volno (1), živalsko dlako (2 in 3), svilo (4), bombažem (5), bakrovimi vlakni (21), modalnimi vlakni (22), viskoznimi vlakni (25), poliamidnimi ali najlonskimi vlakni (30), poliestrskimi vlakni (35), elastomultiestrskimi vlakni (46), elastolefinskimi vlakni (47) in melaminskimi vlakni (48).
wool (1), animal hair (2 and 3), silk (4), cotton (5), cupro (21), modal (22), viscose (25), polyamide or nylon (30), polyester (35), elastomultiester (46), elastolefin (47) and melamine (48).
Metoda je prav tako uporabna za akrilna vlakna in nekatera modakrilna vlakna, ki so barvana s kovinsko kompleksnimi barvili, vendar ne za vlakna, barvana s kromirnimi barvili.
It is equally applicable to acrylics, and certain modacrylics, treated with premetallised dyes, but not to those dyed with afterchrome dyes.
Akrilna, modakrilna ali klorovlakna raztopimo iz znane suhe mase mešanice z dimetilformamidom, ki ga ogrevamo v vreli vodni kopeli.
The acrylic, modacrylic or chlorofibre is dissolved out from a known dry mass of the mixture, with dimethylformamide heated in a water-bath at boiling point.
Ostanek združimo, speremo, posušimo in stehtamo; maso ostanka, po potrebi korigirano, izrazimo kot odstotek suhe mase mešanice.
The residue is collected, washed, dried and weighed.
Odstotek suhih akrilnih, modakrilnih ali klorovih vlaken izračunamo kot razliko.
Its mass, corrected if necessary, is expressed as a percentage of the dry mass of the mixture and the percentage of dry acrylic, modacrylic or chlorofibre is found by difference.
Vrela vodna kopel.
Water bath at boiling point.
Dimetilformamid (vrelišče 153 ± 1 oC), ki ne vsebuje več kot 0,1 % vode.
Dimethylformamide (boiling point 153 ± 1 ºC) not containing more than 0,1 % water.
Ta reagent je strupen, zato se priporoča uporaba nape.
This reagent is toxic and the use of a hood is thus recommended.
V tem času vsakih pet minut z roko rahlo pretresite erlenmajerico in njeno vsebino.
Shake the flask and its contents gently by hand five times during this period.
Prelijte tekočino skozi stehtani filtrirni lonček, tako da vlakna ostanejo v erlenmajerici.
Decant the liquid through the weighed filter crucible, retaining the fibres in the flask.
Filtrirajte vsebino erlenmajerice skozi filtrirni lonček z odsesavanjem.
Filter the contents of the flask through the filter crucible by means of suction.
Prenesite vlakna ostanka v lonček tako, da erlenmajerico sperete z dimetilformamidom.
Transfer any residual fibre to the crucible by washing out the beaker with dimethylformamide.