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perchloric acid, 50 %
perhlorskābe, 50 %
Última atualização: 2014-11-21
Frequência de uso: 2
Qualidade:
perchloric acid, salts
perhlorskābes sāļi
Última atualização: 2014-11-21
Frequência de uso: 1
Qualidade:
perchloric acid, 70 % (m/v).
perhlorskābe, 70 % (m/v).
Última atualização: 2014-11-21
Frequência de uso: 3
Qualidade:
perchloric acid, nickel (ii) salt
perhlorskābes niķeļa(ii) sāls
Última atualização: 2014-11-21
Frequência de uso: 2
Qualidade:
perchloric acid solution = 6 g/100 ml.
perhlorskābes šķīdums = 6 g/100 ml.
Última atualização: 2014-11-21
Frequência de uso: 3
Qualidade:
when working with perchloric acid, which is strongly corrosive, necessary caution and preventive measures should be taken.
strādājot ar perhlorskābi, kas ir ļoti kodīga, jāveic nepieciešamie piesardzības un profilakses pasākumi.
the sample is dissolved in glacial acetate acid, before titration, with standard perchloric acid, using crystal violet as indicator.
pirms titrēšanas ar standarta perhlorskābi, kā indikatoru lietojot kristālvioleto, paraugu izšķīdina ledus etiķskābē.
the reference method to be used for checking the tvb-n limit is the method involving distillation of an extract deproteinized by perchloric acid set out in annex ii.
standartmetode, kas izmantojama tvb-n daudzuma limita pārbaudei, ir ii pielikumā norādītā metode, pēc kuras tiek destilēts izvilkums, kam olbaltumvielas noārdītas ar perhlorskābi.
for thermally unstable substances and preparations not classified as explosive, e.g. perchloric acid > 50 %.
termiski nestabilas vielas un preparāti, kas nav klasificēti kā sprādzienbīstami, piemēram, perhlorskābe > 50 %.
for thermally unstable substances and preparations not classified as explosive, e.g. perchloric acid > 50 %.
termiski nestabilas vielas un preparāti, kas nav klasificēti kā sprādzienbīstami, piemēram, perhlorskābe > 50 %.
after dense fumes of perchloric acid have been given off (continue until dry), dissolve with 20 millilitres of hot water and 2-3 millilitres concentrated hcl.
pēc tam, kad izdalījušies biezi perhlorskābes dūmi (turpināt līdz kļūst sauss), izšķīdina ar 20 mililitriem karsta ūdens un 2 līdz 3 mililitriem koncentrēta hcl.
add a few drops of crystal violet indicator solution (4.2) and titrate to a pale green end-point, using standard 0 71 mol/l perchloric acid (4.5).
pievieno dažus pilienus kristālvioletā šķīduma (4.2) un titrē līdz bāli zaļam krāsojumam, izmantojot 0,1 mol/l perhlorskābes (4.5) standartu.