Methods

Here you will get an overview of all Lovibond^® methods, what the exact procedure of your test measurement looks like and how the test must be carried out correctly with the respective measuring device. Clear descriptions guide you step by step through each method. The required reagents are listed as well as possible interferences, calibration and validation instructions or literature and much more.

A | B | C | D | F | H | I | K | L | M | N | O | P | Q | S | T | U | Z

A

Test name	Method number	Measuring range
Alkalinity-m T	M30	0 - 200 mg/L CaCO₃ 0 - 300 mg/L CaCO₃ 5 - 200 mg/L CaCO₃
Alkalinity-m HR T	M31	5 - 500 mg/L CaCO₃
Alkalinity-p T	M35	5 - 500 mg/L CaCO₃
Aluminium T	M40	0.01 - 0.3 mg/L Al
Aluminium PP	M50	0.01 - 0.25 mg/L Al
Ammonia T	M60	0.02 - 1 mg/L N
Ammonia PP	M62	0.01 - 0.8 mg/L N
Ammonia LR TT	M65	0.02 - 2.5 mg/L N
Ammonia HR TT	M66	1.0 - 50 mg/L N
Arsenic	M68	0.02 - 0.6 mg/L As
Aluminium T	M2501	0 - 0.3 mg/L Al
Ammonia T	M2502	0 - 1 mg/L N
Ammonia VARIO PP	M2503	0 - 0.5 mg/L N
Alkalinity m T	M2545	20 - 240 mg/L CaCO₃
Aluminium T	M3001	0 - 0.5 mg/L Al
Amine T	M3002	1.0 - 10 mg/L NH₃
Amine	M3003	0 - 2 mg/L NH₃
Ammonia T	M3004	0 - 0.4 mg/L N
Ammonia T	M3005	0 - 1.0 mg/L N
Ammonia T	M3006	0 - 10 mg/L N
Ammonia Nes. L	M3007	0.02 - 0.2 mg/L N
Ammonia Nes. L	M3008	0.2 - 0.52 mg/L N
Ammonia Nes. L	M3009	0.56 - 1.2 mg/L N
Ammonia Nes. L	M3010	1.2 - 2.0 mg/L N

B

Test name	Method number	Measuring range
Bromine 10 T	M78	0.1 - 3 mg/L Br₂
Bromine 50 T	M79	0.05 - 1 mg/L Br₂
Bromine T	M80	0.2 - 13 mg/L Br₂ 0.05 - 13 mg/L Br₂
Bromine PP	M81	0.05 - 4.5 mg/L Br₂
Bromine T	M2504	0 - 5 mg/L Br₂
Bromine T	M3011	0.2 - 2.0 mg/L Br₂
Bromine T	M3012	1.0 - 10 mg/L Br₂
Bromine T	M3013	0.5 - 6.0 mg/L Br₂

C

Test name	Method number	Measuring range
Chloramine (M) PP	M63	0.02 - 4.5 mg/L NH₂Cl as Cl₂
Chlorine (free) and Monochloramine	M64	0.02 - 4.50 mg/L Cl₂
Cadmium M. TT	M87	0.025 - 0.75 mg/L Cd
Chloride T	M90	0.5 - 25 mg/L Cl^-
Chloride L (A)	M91	5.00 - 60 mg/L Cl^-
Chloride L (B)	M92	0.5 - 20 mg/L Cl^-
Chloride T	M93	5 - 250 mg/L Cl^- ⁱ⁾
Chlorine 10 T	M98	0.1 - 6 mg/L Cl₂
Chlorine 50 T	M99	0.02 - 0.5 mg/L Cl₂ ^a)
Chlorine T	M100	0.01 - 6.0 mg/L Cl₂ ^a) 0.1 - 6.0 mg/L Cl₂ ^a) 0.02 - 6.0 mg/L Cl₂ ^a)
Chlorine L	M101	0.02 - 3 mg/L Cl₂ ^a) 0.02 - 4.0 mg/L Cl₂ ^a)
Chlorine HR T	M103	0.1 - 10 mg/L Cl₂ ^a)
Chlorine HR 10 T	M104	0.1 - 10 mg/L Cl₂ ^a)
Chlorine HR (KI) T (105)	M105	5 - 200 mg/L Cl₂
Chlorine PP	M110	0.02 - 2 mg/L Cl₂ ^a)
Chlorine HR PP	M111	0.1 - 8 mg/L Cl₂ ^a)
Chlorine MR PP	M113	0.02 - 3.5 mg/L Cl₂ ^a)
Chlorine dioxide 50 T	M119	0.05 - 1 mg/l ClO₂
Chlorine dioxide T	M120	0.02 - 11 mg/l ClO₂ 0.05 - 2.5 mg/l ClO₂
Chlorine dioxide PP	M122	0.04 - 3.8 mg/l ClO₂
Chromium 50 PP	M124	0.005 - 0.5 mg/L Cr^b)
Chromium PP	M125	0.02 - 2 mg/L Cr^b)
COD LR TT	M130	3 - 150 mg/L COD^b)
COD MR TT	M131	20 - 1500 mg/L COD^b)
COD HR TT	M132	200 - 15000 mg/L COD^b)
COD LMR TT	M133	15 - 300 mg/L COD^b)
COD VLR TT	M134	2.0 - 60.0 mg/L COD^b)
Copper 50 T	M149	0.05 - 1 mg/L Cu^a)
Copper T	M150	0.05 - 5 mg/L Cu^a)
Copper L	M151	0.05 - 4 mg/L Cu^a)
Copper PP	M153	0.05 - 5 mg/L Cu
CyA T	M160	1 - 160 mg/L CyA 10 - 160 mg/L CyA
CyA HR T	M161	10 - 200 mg/L CyA
Chlorine LR T	M2505	0 - 1 mg/L Cl₂
Chlorine MR T	M2506	0 - 2 mg/L Cl₂
Chlorine HR T	M2507	0 - 4 mg/L Cl₂
Chlorine VARIO PP	M2508	0 - 3.5 mg/L Cl₂
Chlorine D55 T	M2509	0.02 - 0.3 mg/L Cl₂ ^*
Chlorine HR (KI) T	M2510	10 - 300 mg/L Cl₂
Chlorine dioxide T	M2511	0.01 - 0.2 mg/l ClO₂ ^**
Copper VLR T	M2517	0 - 1 mg/L Cu
Copper HR T	M2518	0 - 5 mg/L Cu
Copper frei HR VARIO PP	M2519	0 - 5 mg/L Cu
Copper LR T	M2520	0 - 1 mg/L Cu^**
Copper frei LR VARIO PP	M2521	0 - 1 mg/L Cu^**
Chlorine T	M3014	0.02 - 0.3 mg/L Cl₂
Chlorine T	M3015	0.02 - 0.5 mg/L Cl₂
Chlorine T	M3016	0.2 - 0.8 mg/L Cl₂
Chlorine T	M3017	1.5 mg/L Cl₂
Chlorine T	M3018	0.1 - 1.0 mg/L Cl₂
Chlorine T	M3019	0.1 - 1.0 mg/L Cl₂
Chlorine T	M3020	2.0 - 10.0 mg/L Cl₂
Chlorine T	M3021	0.1 - 2.0 mg/L Cl₂
Chlorine T	M3022	0.2 - 4.0 mg/L Cl₂
Chlorine T	M3023	0.5 - 6.0 mg/L Cl₂
Chlorine T	M3024	1.0 - 4.0 mg/L Cl₂
Chlorine T	M3025	2.0 - 5.0 mg/L Cl₂
Chlorine T	M3026	2.0 - 10 mg/L Cl₂
Chlorine T	M3027	0.5 - 4.0 mg/L Cl₂
Chlorine T	M3028	0.1 mg/L Cl₂
Chlorine T	M3029	0.15 - 2.0 mg/L Cl₂
Chlorine T	M3030	1.0 - 5.0 mg/L Cl₂
Chlorine HR T	M3031	2.0 - 10 mg/L Cl₂
Chlorine HR T	M3032	5.0 - 50 mg/L Cl₂
Chlorine HR T	M3033	5.0 - 250 mg/L Cl₂
Chlorine T	M3034	0.01 - 0.1 mg/L Cl₂
Chlorine T	M3035	0.02 - 0.2 mg/L Cl₂
Chlorine T	M3036	0.05 - 0.5 mg/L Cl₂
Chlorine T	M3037	0.1 - 1.0 mg/L Cl₂
Chlorine dioxide T	M3038	0.19 - 1.9 mg/l ClO₂
Chlorine dioxide T	M3039	0.04 - 0.57 mg/l ClO₂
Chlorine dioxide T	M3040	0.38 - 1.52 mg/l ClO₂
Chlorine dioxide T	M3041	0.25 - 5.0 mg/l ClO₂
Chromium L	M3042	0.4 - 4.0 mg/L Cr
Copper LR T	M3061	0 mg/L Cu
Copper HR T	M3062	0 - 4.0 mg/L Cu
Chlorine L	M3114	0.1 - 1.0 mg/L Cl₂
Chlorine L	M3115	0.1 - 2.0 mg/L Cl₂
Chlorine L	M3116	1.0 - 4.0 mg/L Cl₂
Chlorine L	M3117	0.02 - 0.3 mg/L Cl₂
Chlorine L	M3118	0.2 - 4.0 mg/L Cl₂
Chlorine L	M3119	0.2 - 0.8 mg/L Cl₂
Chlorine L	M3120	0.01 - 0.1 mg/L Cl₂
Chlorine L	M3121	0.02 - 0.2 mg/L Cl₂
Chlorine L	M3122	0.05 - 0.5 mg/L Cl₂
Chlorine L	M3123	0.1 - 1.0 mg/L Cl₂

D

Test name	Method number	Measuring range
DBNPA VARIO PP	M116	0.034 - 5.95 mg/L DBNPA
DEHA T (L)	M165	0.02 - 0.5 mg/L DEHA
DEHA PP	M167	0.02 - 0.5 mg/L DEHA
DEHA L	M2512	0 - 0.5 mg/L DEHA
DEHA L	M3043	0.016 - 0.16 mg/L DEHA

F

Test name	Method number	Measuring range
Fluoride L	M170	0.05 - 2 mg/L F^-
Formaldehyde 10 M. L	M175	1.00 - 5.00 mg/L HCHO
Formaldehyde 50 M. L	M176	0.02 - 1.00 mg/L HCHO
Formaldehyde M. TT	M177	0.1 - 5 mg/L HCHO
Fluorescein	M510	10 - 400 ppb
Fluorescein 2P	M511	10 - 300 ppb
Fluoride L	M2516	0.2 - 2 mg/L F^-
Fluoride T	M3048	0 - 1.6 mg/L F^-

H

Test name	Method number	Measuring range
Hardness Calcium (B) T	M190	50 - 900 mg/L CaCO₃
Hardness Calcium (B) T	M191	20 - 500 mg/L CaCO₃
Hardness Ca and Mg MR TT	M198	10 - 360 mg/L CaCO₃
Hardness Ca and Mg L	M199	0.05 - 4 mg/L CaCO₃
Hardness total T	M200	2 - 50 mg/L CaCO₃
Hardness total HR T	M201	20 - 500 mg/L CaCO₃ ⁱ⁾
Hazen 50	M203	10 - 500 mg/L Pt
Hazen 24	M204	10 - 500 mg/L Pt
Hydrazine P	M205	0.05 - 0.5 mg/L N₂H₄
Hydrazine L	M206	0.01 - 0.6 mg/L N₂H₄ 5 - 600 µg/L N₂H₄
Hydrazine C	M207	0.01 - 0.7 mg/L N₂H₄ ^c)
H2O2 50 T	M209	0.01 - 0.5 mg/L H₂O₂
H2O2 T	M210	0.03 - 1.5 mg/L H₂O₂ 0.03 - 3 mg/L H₂O₂
Hypochlorite T	M212	0.2 - 16 % NaOCl 0.2 - 17 % NaOCl
H2O2 LR L	M213	1 - 50 mg/L H₂O₂
H2O2 HR L	M214	40 - 500 mg/L H₂O₂
Hardness total P	M3049	0 - 60 mg/L CaCO₃
Hazen	M3050	50 - 500 mg/L Pt
Hazen	M3051	10 - 90 mg/L Pt
Hazen	M3052	70 - 250 mg/L Pt
Hazen	M3053	0 - 30 mg/L Pt
Hazen	M3054	30 - 70 mg/L Pt
Hydrazine P	M3055	0 - 0.5 mg/L N₂H₄
Hydrazine P	M3056	0.02 - 0.2 mg/L N₂H₄
Hydrazine L	M3057	0 - 1.0 mg/L N₂H₄
Hydrazine L	M3058	0 - 0.4 mg/L N₂H₄
H2O2 LR T	M3108	0.05 - 0.5 mg/L H₂O₂
H2O2 LR T	M3109	0.1 mg/L H₂O₂
H2O2 LR T	M3110	0.01 mg/L H₂O₂
H2O2 HR T	M3124	2 - 20 mg/L H₂O₂
H2O2 LR T	M3125	10 - 100 mg/L H₂O₂

I

Test name	Method number	Measuring range
Iron 10 T	M218	0.05 - 1 mg/L Fe
Iron 50 T	M219	0.01 - 0.5 mg/L Fe
Iron T	M220	0.1 - 1 mg/L Fe 0.02 - 1 mg/L Fe
Iron 50 PP	M221	0.01 - 1.5 mg/L Fe^g)
Iron PP	M222	0.01 - 1.5 mg/L Fe^g) 0.02 - 3 mg/L Fe^g)
Iron (TPTZ) PP	M223	0.1 - 1.8 mg/L Fe 0.02 - 1.8 mg/L Fe
Iron in Mo PP (224)	M224	0.01 - 1.8 mg/L Fe
Iron LR L (A)	M225	0.03 - 2 mg/L Fe
Iron LR L (B)	M226	0.03 - 2 mg/L Fe
Iron HR L	M227	0.1 - 10 mg/L Fe
Iron LR T	M2513	0.05 - 1 mg/L Fe
Iron HR T	M2514	1 - 10 mg/L Fe
Iron VARIO PP	M2515	0 - 1.8 mg/L Fe
Iron LR T	M3044	0.02 - 0.3 mg/L Fe
Iron LR T	M3045	0.1 - 1.0 mg/L Fe
Iron HR T	M3046	1.0 - 10 mg/L Fe
Iron	M3047	0.01 - 0.1 mg/L Fe
Iodine T	M3059	0.4 - 3.6 mg/L I
Iodine T	M3060	0.7 - 14 mg/L I

K

Test name	Method number	Measuring range
KS4.3 T	M20	0.1 - 4 mmol/L K_S4.3
KS 4,3T	M2540	0.5 - 5 mmol/L K_S4.3

L

Test name	Method number	Measuring range
lodine T	M215	0.05 - 3.6 mg/L I
Lead 10	M232	0.1 - 5 mg/L Pb
Lead (A) TT	M234	0.1 - 5 mg/L Pb
Lead (B) TT	M235	0.1 - 5 mg/L Pb

M

Test name	Method number	Measuring range
Manganese T	M240	0.2 - 4 mg/L Mn
Manganese LR PP	M242	0.01 - 0.7 mg/L Mn
Manganese HR PP	M243	0.1 - 18 mg/L Mn
Manganese L	M245	0.05 - 5 mg/L Mn
Molybdate T	M250	0.6 - 50 mg/L MoO₄ 1 - 30 mg/L MoO₄ 1 - 50 mg/L MoO₄
Molybdate LR PP	M251	0.03 - 3 mg/L Mo
Molybdate HR PP	M252	0.3 - 40 mg/L Mo
Molybdate HR L	M254	1 - 100 mg/L MoO₄
Manganese LR VARIO PP	M2522	0.1 - 0.7 mg/L Mn
Manganese VLR VARIO PP	M2523	0.02 - 0.2 mg/L Mn^**
Molybdate HR T	M2524	0 - 100 mg/L MoO₄
Molybdate HR T	M2525	50 - 500 mg/L MoO₄
Molybdate LR T	M2526	0 - 10 mg/L MoO₄ ^**
Mn T	M3063	0 - 4.0 mg/L Mn
Molybdate L P	M3064	0 - 10 mg/L MoO₄
Molybdate HR T	M3065	5.0 - 50 mg/L MoO₄
Molybdate HR T	M3066	10 - 150 mg/L MoO₄

N

Test name	Method number	Measuring range
Nickel 50 L	M255	0.02 - 1 mg/L Ni
Nickel L	M256	0.2 - 7 mg/L Ni
Nitrate T	M260	0.08 - 1 mg/L N
Nitrate TT	M265	1 - 30 mg/L N
Nitrate LR2 TT	M266	0.2 - 15 mg/L N
Nitrate LR TT	M267	0.5 - 14 mg/L N
Nitrate HR	M268	1.2 - 35 mg/L N
Nitrite T	M270	0.01 - 0.5 mg/L N
Nitrite VHR L	M271	25 - 2500 mg/L NO₂ ^-
Nitrite PP	M272	0.01 - 0.3 mg/L N
Nitrite HR PP	M273	2 - 250 mg/L NO₂ ^-
Nitrite LR TT	M275	0.03 - 0.6 mg/L N
Nitrite HR TT	M276	0.3 - 3 mg/L N
Nitrate T	M2528	0 - 1 mg/L N
Nitrite LR T	M2529	0 - 0.5 mg/L N
Nitrite VARIO PP	M2530	0 - 0.3 mg/L N
Nitrate T	M3068	0.1 - 1.0 mg/L N
Nitrite LR T	M3070	0.05 - 0.5 mg/L N
Nitrite LR T	M3071	0.002 - 0.05 mg/L N
Nitrite L	M3072	0.001 - 0.02 mg/L N

O

Test name	Method number	Measuring range
Oxygen active T	M290	0.1 - 10 mg/L O₂
Oxygen dissolved C	M292	10 - 800 µg/L O₂ ^c) 10 - 1100 µg/L O₂ ^c)
Ozone 50 T	M299	0.02 - 0.5 mg/L O₃
Ozone T	M300	0.02 - 1 mg/L O₃ 0.02 - 2 mg/L O₃
Ozone PP	M301	0.015 - 2 mg/L O₃
Ozone in presence of chlorine T	M2531	0 - 1 mg/L O₃
Ozone T	M2532	0 - 1 mg/L O₃
Ozone T	M3073	0.1 - 1.0 mg/L O₃
Ozone T	M3074	0.01 - 0.1 mg/L O₃
Ozone T	M3075	0.05 - 0.45 mg/L O₃
Ozone T	M3076	0 - 0.5 mg/L O₃
Oxygen dissolved L	M3100	2.0 - 12 mg/L O₂

P

Test name	Method number	Measuring range
PHMB T	M70	2 - 60 mg/lLPHMB
Phenol T	M315	0.1 - 5 mg/L C₆H₅OH
Phosphonate PP	M316	0.02 - 125 mg/L PO₄
Phosphate total LR TT	M317	0.07 - 3 mg/L P^b)
Phosphate total HR TT	M318	1.5 - 20 mg/L P^b)
Phosphate LR T	M319	0.05 - 4 mg/L P
Phosphate LR T	M320	0.02 - 1.3 mg/L P 0.016 - 1.305 mg/L P
Phosphate HR T	M321	0.33 - 26.09 mg/L P 0.33 - 26 mg/L P
Phosphate HR TT	M322	0.98 - 19.57 mg/L P 1 - 20 mg/L P
Phosphate PP	M323	0.02 - 0.8 mg/L P 0.02 - 0.815 mg/L P
Phosphate TT	M324	0.02 - 1.63 mg/L P
Phosphate h. TT	M325	0.02 - 1.6 mg/L P^b)
Phosphate t. TT	M326	0.02 - 1.1 mg/L P^b)
Phosphate HR C	M327	1.6 - 13 mg/L P^c)
Phosphate LR C	M328	0.02 - 1.6 mg/L P^c) 0.016 - 1.6 mg/L P^c)
pH-value LR T	M329	5.2 - 6.8 pH
pH-value T	M330	6.5 - 8.4 pH
pH value L	M331	6.5 - 8.4 pH
pH-value HR T	M332	8.0 - 9.6 pH
Phosphate LR L	M334	0.1 - 10 mg/L PO₄
Phosphate HR L	M335	5 - 80 mg/L PO₄
Potassium T	M340	0.7 - 16 mg/L K
PTSA	M500	10 - 1000 ppb
PTSA	M501	10 - 400 ppb
pH value T	M2533	5,2 - 6,8 pH
pH value T	M2534	6 - 7,6 pH
pH value T	M2535	6,5 - 8,4 pH
pH value T	M2536	4 - 10 pH
Phosphate HR T	M2537	0 - 80
Phosphate LR T	M2538	0 - 4
Phosphate VARIO PP	M2539	0 - 2.5
pH value T	M3077	1.2 - 2.8 pH
pH value T	M3078	2.8 - 4.4 pH
pH value T	M3079	3.6 pH
pH value T	M3080	4.4 - 6.0 pH
pH value T	M3081	5.2 - 6.8 pH
pH value T	M3082	6.0 - 7.6 pH
pH value T	M3083	6.8 - 8.4 pH
pH value T	M3084	7.2 - 8.8 pH
pH value T	M3085	8.0 - 9.6 pH
pH value L	M3086	4.0 - 11 pH
pH value T	M3087	1.0 - 2.6 pH
pH value T	M3088	7.6 - 9.2 pH
pH value L	M3089	6.0 pH
pH value L	M3090	8.0 - 9.6 pH
pH value T	M3091	7.0 - 8.0 pH
Phosphate LR T	M3092	0 - 4.0 mg/L P
Phosphate HR T	M3093	0 - 40 mg/L P
Phosphate L	M3094	0 - 80 mg/L P
Phosphate HR T	M3095	0 - 100 mg/L P
Phosphate L	M3096	10 - 100 mg/L P
Phosphate L T	M3097	0.2 - 2 mg/L PO₄

Q

Test name	Method number	Measuring range
QAC LR T	M3098	0 - 20 mg/L QAC
QAC HR T	M3099	0 - 200 mg/L QAC

S

Test name	Method number	Measuring range
SAC 254 nm (344)	M344	0.25 - 50 m^-1
SAC 436 nm	M345	0.5 - 50 m^-1
SAC 525 nm	M346	0.5 - 50 m^-1
SAC 620 nm	M347	0.5 - 50 m^-1
Silica VLR PP	M349	0.005 - 0.5 mg/L SiO₂
Silcate T	M350	0.05 - 4 mg/L SiO₂
Silicate LR PP	M351	0.1 - 1.6 mg/L SiO₂ 0.05 - 1.6 mg/L SiO₂
Silicate HR PP	M352	1 - 90 mg/L SiO₂ 1 - 100 mg/L SiO₂
Silicate L	M353	0.1 - 8 mg/L SiO₂
Sulphate T	M355	5 - 100 mg/L SO₄ ^2-
Sulphate PP	M360	5 - 100 mg/L SO₄ ^2-
Sulphate HR PP	M361	50 - 1000
Selenium	M363	0.05 - 1.6 mg/L Se 0.05 - 2 mg/L Se
Sulphide T	M365	0.04 - 0.5 mg/L S^2-
Sulphide L	M366	8 - 1400 µg/L S^2- 15 - 1400 µg/L S^2-
Sulphite 10 T	M368	0.1 - 12 mg/L SO₃
Sulphite T	M370	0.1 - 5 mg/L SO₃ 0.1 - 6 mg/L SO₃ 0.05 - 4 mg/L SO₃
Surfactants M. (anion.) TT	M376	0.05 - 2 mg/L SDSA
Surfactants M. (not ionic) TT	M377	0.1 - 7.5 mg/L Triton X-100
Surfactants M. (cation.) TT	M378	0.05 - 1.5 mg/L CTAB
Suspended solids 50	M383	10 - 750 mg/L TSS
Suspended solids 24	M384	10 - 750 mg/L TSS
Sodium hypochlorite T	M2527	2 - 18 % NaOCl
Silica T	M2541	0.25 - 4 mg/L SiO₂
Silica HR VARIO PP	M2542	0 - 100 mg/L SiO₂
Silica VLR T	M2543	0 - 1 mg/L SiO₂ ^**
Sulphite T	M2544	0.5 - 10 mg/L SO₃
Sodium hypochlorite T	M3067	2 - 16 % NaOCl
Silica T	M3101	0.4 - 4.0 mg/L SiO₂
Silica T	M3102	1.0 - 10 mg/L SiO₂
Silica L	M3103	0.1 - 1.0 mg/L SiO₂
Silica L	M3104	2.5 - 25 mg/L SiO₂
Silica L	M3105	1.0 - 20 mg/L SiO₂
Silica L	M3106	0.2 - 1.0 mg/L SiO₂
Sulphide T	M3107	0 - 0.5 mg/L S^2-
Sugar	M3113	0 - 100

T

Test name	Method number	Measuring range
TN LR TT	M280	0.5 - 25 mg/L N^b)
TN HR TT	M281	5 - 150 mg/L N^b)
TN LR 2 TT	M283	0.5 - 14 mg/L N^b)
TN HR 2 TT	M284	5 - 140 mg/L N^{b) i)}
TOC LR M. TT	M380	5 - 80 mg/L TOC^b)
TOC HR M. TT	M381	50 - 800 mg/L TOC^b)
Turbidity 50	M385	5 - 500 FAU
Turbidity 24	M386	10 - 1000 FAU
Triazole PP	M388	1 - 16 mg/L Benzotriazole or Tolyltriazole
Tannin L	M389	0.5 - 20 mg/L Tannin

U

Test name	Method number	Measuring range
Urea T	M390	0.1 - 2.5 mg/L Urea 0.1 - 2 mg/L Urea
Urea T	M391	0.2 - 5 mg/L Ureaⁱ⁾

Z

Test name	Method number	Measuring range
Zinc T	M400	0.02 - 0.5 mg/L Zn 0.02 - 1 mg/L Zn
Zinc L	M405	0.1 - 2.5 mg/L Zn
Zinc LR T	M2546	0 - 1 mg/L Zn
Zinc LR T	M3111	0 mg/L Zn
Zinc HR T	M3112	0 mg/L Zn