DEFINITION
This standard uses the following definitions.
Compatible with life in the water, drinking water health standards of the water resource, by distillation, deionization or ion exchange method, reverse osmosis method, and others, Sealed in containers ,without any add, such as oxides, can direct drinking water.
Technical requirements
Water standards must meet the technical requirements of GB 5749.
Sensory requirements
Sensory requirement is consistent with the provisions of Table 1.
1
ITEM INDEX Requirements
Chroma ≤5 Should not render other harmonia
Turbidity ≤1 -
Smell and taste - No smell stench
Visible - Not detected
Physical and Chemical Indicators
Physical and Chemical Indicators of quality
Physical and chemical indicators of quality should meet the requirements in Table 2 Type
2
ITEM INDEX
PH 5.0-7.0
Conductivity (25±1°C),μS/cm 10
Potassium permanganate consumption (O2)mg/l 1.0
Chloride(Cl¯)mg/l 6.0
The physical and chemical indicators of pollution
Physical and chemical indicators of pollution should meet the requirements in Table 3
3
ITEM INDEX
Lead Regulations by GB 17324
Arsenic
Copper
Cyanide (CN-meter to) 1)
Volatile Phenols (phenol dollars) 1)
Free chlorine (in Cl-dollars)
Chloroform
Carbon tetrachloride
Nitrite (NO2-in dollars)
1) cyanide indicator, phenol class of indicators are available only to the products by distillation
Microbial indicators
Microbial indicators of regulations in accordance with GB 17324.
Net content
Content-piece packing negative deviation shall not exceed the requirements in table 4. The same batch of product sampling, the average content of goods shall not be less than the label of the net content
4
Net content(Q) Negative deviation
Q% mL
100mL-200mL 4.5 -
200mL-300mL - 9
300mL-500mL 3 -
500mL-1L - 15
1L-10L 1.5 -
10L-15L - 150
15L-25L 1 -