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	1.	No cover image available Semimicro qualitative analysis / [by] Frank J. Welcher and Richard B. Hahn by Welcher, Frank Johnson, 1907- Hahn, Richard Balser, 1913- [jt. aut] Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: New York : Van Nostrand, [1955] Availability: Items available for loan: National Library of India (2)Call number: E544.8 W446, ... Place hold Request article Save to lists
	2.	No cover image available Inorganic qualitative analysis : a short course for introductory chemistry / by Richard B. Hahn and Frank J. Welcher by Hahn, Richard Balser, 1913- Welcher, Frank Johnson, 1907- [jt. aut] Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Princeton, N. J. : Van Nostrand, 1963 Availability: Items available for loan: National Library of India (1)Call number: E544 H124i. Place hold Request article Save to lists

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