अंगुलि छाप पॉउडर
aanguli chhap p aauudar photographi dvara ghatanasthal par mili aanguliyoan ki chhap ka adhyayan jis p aauudar dvara kiya jata hai use aanguli chhap p aauudar kahate haian. isaka prayog photograph mean adhik vaishamy badhane ke lie kiya jata hai. paudar dvara aanguli ke nishanoan ko pradarshit karane ke lie p aauudar ke rang ka chayan karana bahut avashyak hai.
p aauudar ka chayan
p aauudar ka chayan bahut se karanoan par adharit hai. bhoore rang ki prishthabhoomi par gahare kale rang ka photo taiyar karake adhyayan karane mean suvidha hoti hai. par kahian-kahian shvet prishthabhoomi par kale rang ke nishan ka adhyayan karana saral hota hai. is dasha mean saphed rang ke p aauudar se dhoolikaran karane ke uparaant photo lekar usaki slaid taiyar ki jati hai. sadharanataya shvet prishthabhoomi par kale paudar tatha kali prishthabhoomi par saphed paudar ka hi prayog kiya jata hai. lekin yadi bahurangoan vastu par aanguli ka nishan hai tab rang chayan mean asuvidha hoti hai. jaise aanguli ka nishan saphed tatha nile rang ki prishthabhoomi par p data hai to vaishamy badhane ke lie lal rang ke p aauudar ka prayog karana achchha hota hai.
visheshataean
pratyek rang ke p aauudar ko apani visheshata hoti hai jo sthan-sthan par, vastu-vastu par nirbhar karati hai. niche kuchh p aauudar sootr mean likhe ge haian, jinaka bhinn-bhinn dashaoan mean prayog karake aanguliyoan ki chhap ka adhyayan kiya jata hai-
| kr.san. | p aauudar | sootr |
|---|---|---|
| 1. | laianp blaik 70 bhag | grephait 20 bhag akeshiya choorn 10 bhag |
| 2. | charakol 74 bhag | alyoominiyam 24 bhag draigan rakt 2 bhag |
| 3. | led aksaid (bhoora) 60 bhag | charakol 38 bhag pular mitti 1 bhag |
| 4. | alyoominiyam 75 bhag | charakol 20 bhag draigan rakt 5 bhag |
| 5. | likopodiyam 90 bhag | saudan red 10 bhag |
| 6. | kala maianganij daeeaksaid 85 pratishat bhar | grephait (choorn) 14.75 pratishat bhar alyoominiyam lainiang paudar 0.25 pratishat bhar |
| 7. | pratidipt-aianthrasin, barik pisa choorn |
bahurangi satahoan par ki aanguli chhap ke photo sadharan paudar se taiyar nahian hote. aisi sthiti mean aianthraasin p aauudar se us chhap ka dhoolikaran kiya jata hai aur aandhere mean parabaiangani prakash se p aauudar ke pratidipt gunoan ke karan photo lie ja sakate haian.[1]
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tika tippani aur sandarbh
- ↑ (ni. sian.)
sanbandhit lekh