Chemistry · Analytical Techniques
एक स्पेक्ट्रोफोटोमीटर (spectrophotometer) का अंशांकन (calibration) आमतौर पर किसका उपयोग करके किया जाता है?
- 1शुद्ध अल्कोहल समाधान
- 2सीधे अज्ञात परीक्षण नमूना
- 3ज्ञात सांद्रता का मानक समाधान (Standard solution)✓
- 4केवल आसुत जल का नमूना
सही उत्तर देखें
ज्ञात सांद्रता का मानक समाधान (Standard solution)
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