GOST 30621-1998 PDF

Scope: This standard specifies a method for the determination of arsenic using silver diethyldithiscarbamate in commercial hydrochloric acid.

GOST 30621-1998 Referenced Document

GOST 1027-1967 Reagents. Lead (II) acetate trihydrate. Specifications
GOST 13647-1978 Reagents. Pyridinum. Specifications
GOST 1770-1974 Laboratory volumetric glassware. Cylinders, beakers, measuring flasks, test tubes. General specifications
GOST 24104-1988 General purpose laboratory balances and comparison balances. Performance. Specifications
GOST 24104-2001 Laboratory scales. General technical requirements*， 2024-04-18 Update
GOST 25336-1982 Laboratory glassware and equipment. Basic parameters and dimensions
GOST 29169-1991 Laboratory glassware. One-mark pipettes
GOST 29227-1991 Laboratory glassware. Graduated pipettes. Part 1. General requirements
GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
GOST 4212-1976 Reagents. Methods for preparation of solutions for colorimetric and nephelometric analysis
GOST 4232-1974 Reagents. Potassium iodide. Specifications
GOST 4517-1987 Reagents. Methods for preparation of accessory reagents and solutions used for analysis
GOST 6709-1972 Distilled water. Specifications

1998 GOST 30621-1998 Hydrochloric acid for industrial use. Determination of arsenic content by silver diethyldithiocarbamate photometric method