Table 6a.

DN solute transport with furosemide (entering flow = 6 nl/min, Na⁺ =135, K⁺ = 8.0, HCO₃⁻ = 4.0)

	DCT	CNT	CCD	OMCD	IMCD	Total
Absolute delivery, μmol/min
Na+	29.16	23.42	18.14	17.59	18.16	15.92
K+	1.73	1.78	4.01	4.04	3.57	3.16
Cl−	29.55	24.74	21.28	20.62	21.00	18.67
HCO3−	0.86	0.27	0.64	0.63	0.55	0.37
TA	0.39	0.59	0.63	0.48	0.46	0.49
NH4+	0.69	0.76	0.66	0.68	0.89	0.97
Net acid	0.21	1.08	0.65	0.52	0.79	1.09
Absolute reabsorption, μmol/min
Na+	5.74	5.28	0.56	−0.57	2.24	13.24
K+	−0.06	−2.23	−0.03	0.47	0.41	−1.43
Cl−	4.81	3.46	0.65	−0.38	2.33	10.88
HCO3−	0.60	−0.37	0.00	0.08	0.18	0.49
TA	−0.20	−0.04	0.15	0.02	−0.03	−0.10
NH4+	−0.07	0.10	−0.02	−0.21	−0.08	−0.29
Net acid	0.86	−0.43	−0.13	0.27	0.30	0.88