1.1 Methods
1.1 Table of Methods
* = free, combined, total; PP = powder pack; T = tablet;
L = liquid; TT = tube test; LR = low range; MR = middle range; HR = high range;
Vacu-vial
®
is a registered trade mark of CHEMetrics Inc.
No. Analysis Reagent Range Displayed
as
Method
[nm]
Page
321 Phosphate,
ortho HR T
tablet 1-80 mg/l PO
4
Vanando
-
molybdate
2
430 144,
148
323 Phosphate, PP
ortho
PP 0.06-2.5 mg/l PO
4
Ascorbic acid
2
660 144,
150
324 Phosphate,
ortho TT
tube test 0.06-5 mg/l PO
4
Ascorbic acid
2
660 144,
152
327 Phosphate 1 C,
ortho
Vacu-vial 5-40 mg/l PO
4
Vanado-
molybdate
2
430 144,
154
328 Phosphate 2 C,
ortho
Vacu-vial 0.05-5 mg/l PO
4
Stannous
chloride
2
660 144,
156
325 Phosphate,
hydr. TT
tube test 0.02-1.6 mg/l P
Acid digestion,
Ascorbic acid
2
660 144,
158
326 Phosphate,
total TT
tube test 0.02-1.1 mg/l P
Acid persulf digestion,
Ascorbic acid
2
660 144,
160
316
Phosphonate PP
PP 0-125 mg/l Persulfate
UV-Oxidation
660
162
329
pH-Value LR T
tablet 5.2-6.8 —
Bromocresolpurple
5
560 166
330 pH-Value T tablet 6.5-8.4 — Phenolred
5
560 168
331 pH-Value L liquid 6.5-8.4 — Phenolred
5
560 170
332
pH-Value HR T
tablet 8.0-9.6 — Thymolblue
5
560 172
340 Potassium T tablet 0.7-12 mg/l K
Tetraphenylborate-
Turbidity
4
430 174
350 Silica T tablet 0.05-4 mg/l SiO
2
Silicomolybdate
2,3
660 176
351 Silica LR PP PP 0.1-1.6 mg/l SiO
2
Heteropolyblue
2
660 178
352 Silica HR PP PP 1-90 mg/l SiO
2
Silicomolybdate
2
430 180
212 Sodium
hypochlorite T
tablet 0.2-16 % NaOCl Potassium
iodide
5
530 182
355 Sulfate T tablet 5-100 mg/l SO
4
Bariumsulfate-
Turbidity
610 184
360 Sulfate PP PP 5-100 mg/l SO
4
Bariumsulfate-
Turbidity
2
530 186
365 Sulfide tablet 0.04-0.5 mg/l S DPD/Catalyst
3,4
660 188
370 Sulfite T tablet 0.1-5 mg/l SO
3
DTNB 430 190
384 Suspended
Solids
direct
reading
0-750 mg/l TSS photometric 660 192
386 Turbidity direct
reading
0-1000 FAU
Attenuated
Radiation Method
530 194
390 Urea T tablet +
liquid
0.1-2.5 mg/l Urea Indophenol/
Urease
610 196
400 Zinc T tablet 0.02 -1 mg/l Zn Zincon
3
610 198