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ferrosulfat
ferrous sulphate
Last Update: 2017-04-06
Usage Frequency: 8
Quality:
det bør understreges, at virkningen er tidsbegrænset, eftersom ferrosulfat ikke er et varigt produkt.
it is worth stressing here that this is only effective for a limited duration, as ferrous sulphate is not a stable substance.
disse erfaringer har endvidere vist, at det ikke er forbundet med tekniske problemer at tilføje ferrosulfat, og at det ikke går ud over kvaliteten af cementen.
this experience has also shown that the addition of ferrous sulphate does not involve any technical difficulties, and that the quality of the cements is not affected by it.
hvis filtratet farves gult efter tilsætning af ferrosulfat, tilsættes 3 ml 15 mol/l ortophosphorsyre (4.7).
if the filtrate turns yellow after the addition of ferrous sulphate, add 3 ml of 15 mol/l orthophosphoric acid (4.7).
de skadelige virkninger på det marine miljø skyldtes først og fremmest surhed, tilstedeværelsen af ferrosulfat og sandsynligvis andre metaller (tunge metaller).
the adverse effects on the marine environment were due above all to acidity, the presence of ferrous sulphate and probably other metals (heavy metals).
behandling enten med ferrosulfat eller ved at lade stoffet passere gennem en søjle med aluminiumoxid, er hensigtmæssige metoder til eliminering af peroxider. kombiner med 13301/07.
treatment either with ferrous sulphate or by passing over a column with activated alumina are suitable methods to eliminate the peroxides, combine with 13301/7.
det totale opløselige nitrogenindhold med undtagelse af nitratnitrogen bestemmes efter kjeldahls metode, efter at nitratforbindelserne er elimineret i surt miljø med ferrosulfat; ammoniakken bestemmes som beskrevet i metode 2.1.
total soluble nitrogen with the exception of nitrate nitrogen by kjeldahl digestion after elimination in an acid medium of nitrate nitrogen with ferrous sulphate, the ammonia being determined as described in method 2.1;
med en burette titreres overskuddet af ferrosulfat med 0,02 mol/l kaliumpermanganatopløsning (4.9), indtil der opnås en stabil rosa farve i 1 minut.
using a burette, titrate the excess ferrous sulphate with 0,02 mol/l potassium permanganate solution (4.9) until the mixture turns pink, the colour remaining stable for one minute.
den meget svage absorption (under 2%) af ferrosulfat, som er blevet tilsat til et sojaproteinisolatbaseret produkt i en koncentration på 12 mg pr. liter brugsklart produkt, er fomylig blevet bekræftet hos voksne.
the very weak absorption (under 2%) of ferrous sulphate which has been added to a soya protein isolate-based formula in a concentration of 12 mg per litre of ready-to-feed product has recently been confirmed in adults.
